| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE-RECIP |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX-RECIP |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+fma -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=FMA-RECIP |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=BTVER2 |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=sandybridge -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=SANDY |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell -print-schedule -mattr=-fma | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=HASWELL-NO-FMA |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=knl -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=KNL |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx -print-schedule | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX512 --check-prefix=SKX |
| |
| ; It's the extra tests coverage for recip as discussed on D26855. |
| |
| define float @f32_no_step_2(float %x) #3 { |
| ; SSE-LABEL: f32_no_step_2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpss %xmm0, %xmm0 |
| ; SSE-NEXT: mulss {{.*}}(%rip), %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: f32_no_step_2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: f32_no_step_2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm0 |
| ; FMA-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: f32_no_step_2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [7:1.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: f32_no_step_2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [11:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: f32_no_step_2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm0 # sched: [5:1.00] |
| ; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: f32_no_step_2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm0 # sched: [5:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: f32_no_step_2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpss %xmm0, %xmm0, %xmm0 # sched: [5:1.00] |
| ; KNL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: f32_no_step_2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpss %xmm0, %xmm0, %xmm0 # sched: [4:1.00] |
| ; SKX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [9:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast float 1234.0, %x |
| ret float %div |
| } |
| |
| define float @f32_one_step_2(float %x) #1 { |
| ; SSE-LABEL: f32_one_step_2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpss %xmm0, %xmm2 |
| ; SSE-NEXT: mulss %xmm2, %xmm0 |
| ; SSE-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero |
| ; SSE-NEXT: subss %xmm0, %xmm1 |
| ; SSE-NEXT: mulss %xmm2, %xmm1 |
| ; SSE-NEXT: addss %xmm2, %xmm1 |
| ; SSE-NEXT: mulss {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: f32_one_step_2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero |
| ; AVX-RECIP-NEXT: vsubss %xmm0, %xmm2, %xmm0 |
| ; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: f32_one_step_2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: f32_one_step_2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [2:1.00] |
| ; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [7:1.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: f32_one_step_2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [6:0.50] |
| ; SANDY-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [11:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: f32_one_step_2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: f32_one_step_2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: f32_one_step_2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; KNL-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: f32_one_step_2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [4:1.00] |
| ; SKX-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 # sched: [9:0.50] |
| ; SKX-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [9:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast float 3456.0, %x |
| ret float %div |
| } |
| |
| define float @f32_one_step_2_divs(float %x) #1 { |
| ; SSE-LABEL: f32_one_step_2_divs: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpss %xmm0, %xmm1 |
| ; SSE-NEXT: mulss %xmm1, %xmm0 |
| ; SSE-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero |
| ; SSE-NEXT: subss %xmm0, %xmm2 |
| ; SSE-NEXT: mulss %xmm1, %xmm2 |
| ; SSE-NEXT: addss %xmm1, %xmm2 |
| ; SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; SSE-NEXT: mulss %xmm2, %xmm0 |
| ; SSE-NEXT: mulss %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: f32_one_step_2_divs: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero |
| ; AVX-RECIP-NEXT: vsubss %xmm0, %xmm2, %xmm0 |
| ; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: f32_one_step_2_divs: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: f32_one_step_2_divs: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [2:1.00] |
| ; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 # sched: [7:1.00] |
| ; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: f32_one_step_2_divs: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [6:0.50] |
| ; SANDY-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 # sched: [11:1.00] |
| ; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: f32_one_step_2_divs: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: f32_one_step_2_divs: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: f32_one_step_2_divs: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; KNL-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 # sched: [5:0.50] |
| ; KNL-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: f32_one_step_2_divs: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [4:1.00] |
| ; SKX-NEXT: vfnmadd213ss {{.*}}(%rip), %xmm1, %xmm0 # sched: [9:0.50] |
| ; SKX-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm1 # sched: [9:0.50] |
| ; SKX-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast float 3456.0, %x |
| %div2 = fdiv fast float %div, %x |
| ret float %div2 |
| } |
| |
| define float @f32_two_step_2(float %x) #2 { |
| ; SSE-LABEL: f32_two_step_2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpss %xmm0, %xmm2 |
| ; SSE-NEXT: movaps %xmm0, %xmm3 |
| ; SSE-NEXT: mulss %xmm2, %xmm3 |
| ; SSE-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero |
| ; SSE-NEXT: movaps %xmm1, %xmm4 |
| ; SSE-NEXT: subss %xmm3, %xmm4 |
| ; SSE-NEXT: mulss %xmm2, %xmm4 |
| ; SSE-NEXT: addss %xmm2, %xmm4 |
| ; SSE-NEXT: mulss %xmm4, %xmm0 |
| ; SSE-NEXT: subss %xmm0, %xmm1 |
| ; SSE-NEXT: mulss %xmm4, %xmm1 |
| ; SSE-NEXT: addss %xmm4, %xmm1 |
| ; SSE-NEXT: mulss {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: f32_two_step_2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm2 |
| ; AVX-RECIP-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero |
| ; AVX-RECIP-NEXT: vsubss %xmm2, %xmm3, %xmm2 |
| ; AVX-RECIP-NEXT: vmulss %xmm2, %xmm1, %xmm2 |
| ; AVX-RECIP-NEXT: vaddss %xmm2, %xmm1, %xmm1 |
| ; AVX-RECIP-NEXT: vmulss %xmm1, %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: vsubss %xmm0, %xmm3, %xmm0 |
| ; AVX-RECIP-NEXT: vmulss %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vaddss %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: f32_two_step_2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpss %xmm0, %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero |
| ; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3 |
| ; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3 |
| ; FMA-RECIP-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3 |
| ; FMA-RECIP-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0 |
| ; FMA-RECIP-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0 |
| ; FMA-RECIP-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: f32_two_step_2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [2:1.00] |
| ; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm2 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubss %xmm2, %xmm3, %xmm2 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss %xmm2, %xmm1, %xmm2 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddss %xmm2, %xmm1, %xmm1 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubss %xmm0, %xmm3, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [7:1.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: f32_two_step_2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm2 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero sched: [6:0.50] |
| ; SANDY-NEXT: vsubss %xmm2, %xmm3, %xmm2 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss %xmm2, %xmm1, %xmm2 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddss %xmm2, %xmm1, %xmm1 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vsubss %xmm0, %xmm3, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [11:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: f32_two_step_2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [1:0.50] |
| ; HASWELL-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00] |
| ; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: f32_two_step_2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm2 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubss %xmm2, %xmm3, %xmm2 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm2, %xmm1, %xmm2 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddss %xmm2, %xmm1, %xmm1 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm1, %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubss %xmm0, %xmm3, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddss %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: f32_two_step_2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [5:1.00] |
| ; KNL-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [1:0.50] |
| ; KNL-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00] |
| ; KNL-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3 # sched: [5:0.50] |
| ; KNL-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: f32_two_step_2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpss %xmm0, %xmm0, %xmm1 # sched: [4:1.00] |
| ; SKX-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero sched: [5:0.50] |
| ; SKX-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00] |
| ; SKX-NEXT: vfnmadd213ss %xmm2, %xmm0, %xmm3 # sched: [4:0.33] |
| ; SKX-NEXT: vfmadd132ss %xmm1, %xmm1, %xmm3 # sched: [4:0.33] |
| ; SKX-NEXT: vfnmadd213ss %xmm2, %xmm3, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vfmadd132ss %xmm3, %xmm3, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulss {{.*}}(%rip), %xmm0, %xmm0 # sched: [9:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast float 6789.0, %x |
| ret float %div |
| } |
| |
| define <4 x float> @v4f32_one_step2(<4 x float> %x) #1 { |
| ; SSE-LABEL: v4f32_one_step2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpps %xmm0, %xmm2 |
| ; SSE-NEXT: mulps %xmm2, %xmm0 |
| ; SSE-NEXT: movaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: subps %xmm0, %xmm1 |
| ; SSE-NEXT: mulps %xmm2, %xmm1 |
| ; SSE-NEXT: addps %xmm2, %xmm1 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v4f32_one_step2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX-RECIP-NEXT: vsubps %xmm0, %xmm2, %xmm0 |
| ; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v4f32_one_step2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v4f32_one_step2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpps %xmm0, %xmm1 # sched: [2:1.00] |
| ; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [7:1.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v4f32_one_step2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [6:0.50] |
| ; SANDY-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [11:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v4f32_one_step2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v4f32_one_step2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v4f32_one_step2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; KNL-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; KNL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v4f32_one_step2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %xmm0, %xmm1 # sched: [4:1.00] |
| ; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to4}, %xmm1, %xmm0 # sched: [10:0.50] |
| ; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [10:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, %x |
| ret <4 x float> %div |
| } |
| |
| define <4 x float> @v4f32_one_step_2_divs(<4 x float> %x) #1 { |
| ; SSE-LABEL: v4f32_one_step_2_divs: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpps %xmm0, %xmm1 |
| ; SSE-NEXT: mulps %xmm1, %xmm0 |
| ; SSE-NEXT: movaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: subps %xmm0, %xmm2 |
| ; SSE-NEXT: mulps %xmm1, %xmm2 |
| ; SSE-NEXT: addps %xmm1, %xmm2 |
| ; SSE-NEXT: movaps {{.*#+}} xmm0 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00] |
| ; SSE-NEXT: mulps %xmm2, %xmm0 |
| ; SSE-NEXT: mulps %xmm2, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v4f32_one_step_2_divs: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX-RECIP-NEXT: vsubps %xmm0, %xmm2, %xmm0 |
| ; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v4f32_one_step_2_divs: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v4f32_one_step_2_divs: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpps %xmm0, %xmm1 # sched: [2:1.00] |
| ; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 # sched: [7:1.00] |
| ; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v4f32_one_step_2_divs: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [6:0.50] |
| ; SANDY-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 # sched: [11:1.00] |
| ; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v4f32_one_step_2_divs: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v4f32_one_step_2_divs: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm2, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v4f32_one_step_2_divs: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; KNL-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; KNL-NEXT: vfnmadd213ps %xmm2, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v4f32_one_step_2_divs: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %xmm0, %xmm1 # sched: [4:1.00] |
| ; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to4}, %xmm1, %xmm0 # sched: [10:0.50] |
| ; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm1 # sched: [10:0.50] |
| ; SKX-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, %x |
| %div2 = fdiv fast <4 x float> %div, %x |
| ret <4 x float> %div2 |
| } |
| |
| define <4 x float> @v4f32_two_step2(<4 x float> %x) #2 { |
| ; SSE-LABEL: v4f32_two_step2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpps %xmm0, %xmm2 |
| ; SSE-NEXT: movaps %xmm0, %xmm3 |
| ; SSE-NEXT: mulps %xmm2, %xmm3 |
| ; SSE-NEXT: movaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: movaps %xmm1, %xmm4 |
| ; SSE-NEXT: subps %xmm3, %xmm4 |
| ; SSE-NEXT: mulps %xmm2, %xmm4 |
| ; SSE-NEXT: addps %xmm2, %xmm4 |
| ; SSE-NEXT: mulps %xmm4, %xmm0 |
| ; SSE-NEXT: subps %xmm0, %xmm1 |
| ; SSE-NEXT: mulps %xmm4, %xmm1 |
| ; SSE-NEXT: addps %xmm4, %xmm1 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: movaps %xmm1, %xmm0 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v4f32_two_step2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %xmm0, %xmm1 |
| ; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm2 |
| ; AVX-RECIP-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX-RECIP-NEXT: vsubps %xmm2, %xmm3, %xmm2 |
| ; AVX-RECIP-NEXT: vmulps %xmm2, %xmm1, %xmm2 |
| ; AVX-RECIP-NEXT: vaddps %xmm2, %xmm1, %xmm1 |
| ; AVX-RECIP-NEXT: vmulps %xmm1, %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: vsubps %xmm0, %xmm3, %xmm0 |
| ; AVX-RECIP-NEXT: vmulps %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vaddps %xmm0, %xmm1, %xmm0 |
| ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v4f32_two_step2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %xmm0, %xmm1 |
| ; FMA-RECIP-NEXT: vmovaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; FMA-RECIP-NEXT: vmovaps %xmm1, %xmm3 |
| ; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3 |
| ; FMA-RECIP-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3 |
| ; FMA-RECIP-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0 |
| ; FMA-RECIP-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0 |
| ; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v4f32_two_step2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpps %xmm0, %xmm1 # sched: [2:1.00] |
| ; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm2 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubps %xmm2, %xmm3, %xmm2 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps %xmm2, %xmm1, %xmm2 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddps %xmm2, %xmm1, %xmm1 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vsubps %xmm0, %xmm3, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [2:1.00] |
| ; BTVER2-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; BTVER2-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [7:1.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v4f32_two_step2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm2 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [6:0.50] |
| ; SANDY-NEXT: vsubps %xmm2, %xmm3, %xmm2 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %xmm2, %xmm1, %xmm2 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %xmm2, %xmm1, %xmm1 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vsubps %xmm0, %xmm3, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [11:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v4f32_two_step2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00] |
| ; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v4f32_two_step2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm2 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*#+}} xmm3 = [1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %xmm2, %xmm3, %xmm2 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm2, %xmm1, %xmm2 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %xmm2, %xmm1, %xmm1 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm1, %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %xmm0, %xmm3, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %xmm0, %xmm1, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %xmm0, %xmm1, %xmm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v4f32_two_step2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %xmm0, %xmm1 # sched: [5:1.00] |
| ; KNL-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [1:0.50] |
| ; KNL-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00] |
| ; KNL-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3 # sched: [5:0.50] |
| ; KNL-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v4f32_two_step2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %xmm0, %xmm1 # sched: [4:1.00] |
| ; SKX-NEXT: vbroadcastss {{.*#+}} xmm2 = [1,1,1,1] sched: [6:0.50] |
| ; SKX-NEXT: vmovaps %xmm1, %xmm3 # sched: [1:1.00] |
| ; SKX-NEXT: vfnmadd213ps %xmm2, %xmm0, %xmm3 # sched: [4:0.33] |
| ; SKX-NEXT: vfmadd132ps %xmm1, %xmm1, %xmm3 # sched: [4:0.33] |
| ; SKX-NEXT: vfnmadd213ps %xmm2, %xmm3, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vfmadd132ps %xmm3, %xmm3, %xmm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulps {{.*}}(%rip), %xmm0, %xmm0 # sched: [10:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, %x |
| ret <4 x float> %div |
| } |
| |
| define <8 x float> @v8f32_one_step2(<8 x float> %x) #1 { |
| ; SSE-LABEL: v8f32_one_step2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpps %xmm1, %xmm4 |
| ; SSE-NEXT: mulps %xmm4, %xmm1 |
| ; SSE-NEXT: movaps {{.*#+}} xmm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: movaps %xmm2, %xmm3 |
| ; SSE-NEXT: subps %xmm1, %xmm3 |
| ; SSE-NEXT: mulps %xmm4, %xmm3 |
| ; SSE-NEXT: addps %xmm4, %xmm3 |
| ; SSE-NEXT: rcpps %xmm0, %xmm1 |
| ; SSE-NEXT: mulps %xmm1, %xmm0 |
| ; SSE-NEXT: subps %xmm0, %xmm2 |
| ; SSE-NEXT: mulps %xmm1, %xmm2 |
| ; SSE-NEXT: addps %xmm1, %xmm2 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm2 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm3 |
| ; SSE-NEXT: movaps %xmm2, %xmm0 |
| ; SSE-NEXT: movaps %xmm3, %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v8f32_one_step2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1 |
| ; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX-RECIP-NEXT: vsubps %ymm0, %ymm2, %ymm0 |
| ; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0 |
| ; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0 |
| ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v8f32_one_step2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1 |
| ; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %ymm1, %ymm0 |
| ; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 |
| ; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v8f32_one_step2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpps %ymm0, %ymm1 # sched: [2:2.00] |
| ; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [7:2.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v8f32_one_step2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %ymm0, %ymm1 # sched: [7:2.00] |
| ; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [7:0.50] |
| ; SANDY-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [12:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v8f32_one_step2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; HASWELL-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v8f32_one_step2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v8f32_one_step2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; KNL-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; KNL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v8f32_one_step2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %ymm0, %ymm1 # sched: [4:1.00] |
| ; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to8}, %ymm1, %ymm0 # sched: [11:0.50] |
| ; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [11:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, %x |
| ret <8 x float> %div |
| } |
| |
| define <8 x float> @v8f32_one_step_2_divs(<8 x float> %x) #1 { |
| ; SSE-LABEL: v8f32_one_step_2_divs: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpps %xmm0, %xmm2 |
| ; SSE-NEXT: mulps %xmm2, %xmm0 |
| ; SSE-NEXT: movaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: movaps %xmm3, %xmm4 |
| ; SSE-NEXT: subps %xmm0, %xmm4 |
| ; SSE-NEXT: mulps %xmm2, %xmm4 |
| ; SSE-NEXT: addps %xmm2, %xmm4 |
| ; SSE-NEXT: rcpps %xmm1, %xmm0 |
| ; SSE-NEXT: mulps %xmm0, %xmm1 |
| ; SSE-NEXT: subps %xmm1, %xmm3 |
| ; SSE-NEXT: mulps %xmm0, %xmm3 |
| ; SSE-NEXT: addps %xmm0, %xmm3 |
| ; SSE-NEXT: movaps {{.*#+}} xmm1 = [5.000000e+00,6.000000e+00,7.000000e+00,8.000000e+00] |
| ; SSE-NEXT: mulps %xmm3, %xmm1 |
| ; SSE-NEXT: movaps {{.*#+}} xmm0 = [1.000000e+00,2.000000e+00,3.000000e+00,4.000000e+00] |
| ; SSE-NEXT: mulps %xmm4, %xmm0 |
| ; SSE-NEXT: mulps %xmm4, %xmm0 |
| ; SSE-NEXT: mulps %xmm3, %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v8f32_one_step_2_divs: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1 |
| ; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX-RECIP-NEXT: vsubps %ymm0, %ymm2, %ymm0 |
| ; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0 |
| ; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0 |
| ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 |
| ; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v8f32_one_step_2_divs: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1 |
| ; FMA-RECIP-NEXT: vfnmadd213ps {{.*}}(%rip), %ymm1, %ymm0 |
| ; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 |
| ; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 |
| ; FMA-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v8f32_one_step_2_divs: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpps %ymm0, %ymm1 # sched: [2:2.00] |
| ; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 # sched: [7:2.00] |
| ; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v8f32_one_step_2_divs: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %ymm0, %ymm1 # sched: [7:2.00] |
| ; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [7:0.50] |
| ; SANDY-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 # sched: [12:1.00] |
| ; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v8f32_one_step_2_divs: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; HASWELL-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v8f32_one_step_2_divs: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm2, %ymm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v8f32_one_step_2_divs: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; KNL-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; KNL-NEXT: vfnmadd213ps %ymm2, %ymm1, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v8f32_one_step_2_divs: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %ymm0, %ymm1 # sched: [4:1.00] |
| ; SKX-NEXT: vfnmadd213ps {{.*}}(%rip){1to8}, %ymm1, %ymm0 # sched: [11:0.50] |
| ; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm1 # sched: [11:0.50] |
| ; SKX-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [4:0.33] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, %x |
| %div2 = fdiv fast <8 x float> %div, %x |
| ret <8 x float> %div2 |
| } |
| |
| define <8 x float> @v8f32_two_step2(<8 x float> %x) #2 { |
| ; SSE-LABEL: v8f32_two_step2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: movaps %xmm0, %xmm2 |
| ; SSE-NEXT: rcpps %xmm1, %xmm3 |
| ; SSE-NEXT: movaps %xmm1, %xmm4 |
| ; SSE-NEXT: mulps %xmm3, %xmm4 |
| ; SSE-NEXT: movaps {{.*#+}} xmm0 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; SSE-NEXT: movaps %xmm0, %xmm5 |
| ; SSE-NEXT: subps %xmm4, %xmm5 |
| ; SSE-NEXT: mulps %xmm3, %xmm5 |
| ; SSE-NEXT: addps %xmm3, %xmm5 |
| ; SSE-NEXT: mulps %xmm5, %xmm1 |
| ; SSE-NEXT: movaps %xmm0, %xmm3 |
| ; SSE-NEXT: subps %xmm1, %xmm3 |
| ; SSE-NEXT: mulps %xmm5, %xmm3 |
| ; SSE-NEXT: addps %xmm5, %xmm3 |
| ; SSE-NEXT: rcpps %xmm2, %xmm1 |
| ; SSE-NEXT: movaps %xmm2, %xmm4 |
| ; SSE-NEXT: mulps %xmm1, %xmm4 |
| ; SSE-NEXT: movaps %xmm0, %xmm5 |
| ; SSE-NEXT: subps %xmm4, %xmm5 |
| ; SSE-NEXT: mulps %xmm1, %xmm5 |
| ; SSE-NEXT: addps %xmm1, %xmm5 |
| ; SSE-NEXT: mulps %xmm5, %xmm2 |
| ; SSE-NEXT: subps %xmm2, %xmm0 |
| ; SSE-NEXT: mulps %xmm5, %xmm0 |
| ; SSE-NEXT: addps %xmm5, %xmm0 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm0 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm3 |
| ; SSE-NEXT: movaps %xmm3, %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v8f32_two_step2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm1 |
| ; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm2 |
| ; AVX-RECIP-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; AVX-RECIP-NEXT: vsubps %ymm2, %ymm3, %ymm2 |
| ; AVX-RECIP-NEXT: vmulps %ymm2, %ymm1, %ymm2 |
| ; AVX-RECIP-NEXT: vaddps %ymm2, %ymm1, %ymm1 |
| ; AVX-RECIP-NEXT: vmulps %ymm1, %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: vsubps %ymm0, %ymm3, %ymm0 |
| ; AVX-RECIP-NEXT: vmulps %ymm0, %ymm1, %ymm0 |
| ; AVX-RECIP-NEXT: vaddps %ymm0, %ymm1, %ymm0 |
| ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v8f32_two_step2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm1 |
| ; FMA-RECIP-NEXT: vmovaps {{.*#+}} ymm2 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] |
| ; FMA-RECIP-NEXT: vmovaps %ymm1, %ymm3 |
| ; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3 |
| ; FMA-RECIP-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3 |
| ; FMA-RECIP-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0 |
| ; FMA-RECIP-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0 |
| ; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v8f32_two_step2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [5:1.00] |
| ; BTVER2-NEXT: vrcpps %ymm0, %ymm1 # sched: [2:2.00] |
| ; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm2 # sched: [2:2.00] |
| ; BTVER2-NEXT: vsubps %ymm2, %ymm3, %ymm2 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps %ymm2, %ymm1, %ymm2 # sched: [2:2.00] |
| ; BTVER2-NEXT: vaddps %ymm2, %ymm1, %ymm1 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: vsubps %ymm0, %ymm3, %ymm0 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:2.00] |
| ; BTVER2-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [7:2.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v8f32_two_step2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %ymm0, %ymm1 # sched: [7:2.00] |
| ; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm2 # sched: [5:1.00] |
| ; SANDY-NEXT: vmovaps {{.*#+}} ymm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00] sched: [7:0.50] |
| ; SANDY-NEXT: vsubps %ymm2, %ymm3, %ymm2 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %ymm2, %ymm1, %ymm2 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %ymm2, %ymm1, %ymm1 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vsubps %ymm0, %ymm3, %ymm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:1.00] |
| ; SANDY-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00] |
| ; SANDY-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [12:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v8f32_two_step2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; HASWELL-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NEXT: vmovaps %ymm1, %ymm3 # sched: [1:1.00] |
| ; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v8f32_two_step2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm2 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vbroadcastss {{.*#+}} ymm3 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %ymm2, %ymm3, %ymm2 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm2, %ymm1, %ymm2 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %ymm2, %ymm1, %ymm1 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm1, %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vsubps %ymm0, %ymm3, %ymm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps %ymm0, %ymm1, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: vaddps %ymm0, %ymm1, %ymm0 # sched: [3:1.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v8f32_two_step2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %ymm0, %ymm1 # sched: [11:2.00] |
| ; KNL-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [1:0.50] |
| ; KNL-NEXT: vmovaps %ymm1, %ymm3 # sched: [1:1.00] |
| ; KNL-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3 # sched: [5:0.50] |
| ; KNL-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v8f32_two_step2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %ymm0, %ymm1 # sched: [4:1.00] |
| ; SKX-NEXT: vbroadcastss {{.*#+}} ymm2 = [1,1,1,1,1,1,1,1] sched: [7:0.50] |
| ; SKX-NEXT: vmovaps %ymm1, %ymm3 # sched: [1:1.00] |
| ; SKX-NEXT: vfnmadd213ps %ymm2, %ymm0, %ymm3 # sched: [4:0.33] |
| ; SKX-NEXT: vfmadd132ps %ymm1, %ymm1, %ymm3 # sched: [4:0.33] |
| ; SKX-NEXT: vfnmadd213ps %ymm2, %ymm3, %ymm0 # sched: [4:0.33] |
| ; SKX-NEXT: vfmadd132ps %ymm3, %ymm3, %ymm0 # sched: [4:0.33] |
| ; SKX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [11:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, %x |
| ret <8 x float> %div |
| } |
| |
| define <8 x float> @v8f32_no_step(<8 x float> %x) #3 { |
| ; SSE-LABEL: v8f32_no_step: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpps %xmm0, %xmm0 |
| ; SSE-NEXT: rcpps %xmm1, %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v8f32_no_step: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v8f32_no_step: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v8f32_no_step: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vrcpps %ymm0, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v8f32_no_step: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %ymm0, %ymm0 # sched: [7:2.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v8f32_no_step: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %ymm0, %ymm0 # sched: [11:2.00] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v8f32_no_step: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm0 # sched: [11:2.00] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v8f32_no_step: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %ymm0, %ymm0 # sched: [11:2.00] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v8f32_no_step: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %ymm0, %ymm0 # sched: [4:1.00] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <8 x float> <float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0, float 1.0>, %x |
| ret <8 x float> %div |
| } |
| |
| define <8 x float> @v8f32_no_step2(<8 x float> %x) #3 { |
| ; SSE-LABEL: v8f32_no_step2: |
| ; SSE: # BB#0: |
| ; SSE-NEXT: rcpps %xmm1, %xmm1 |
| ; SSE-NEXT: rcpps %xmm0, %xmm0 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm0 |
| ; SSE-NEXT: mulps {{.*}}(%rip), %xmm1 |
| ; SSE-NEXT: retq |
| ; |
| ; AVX-RECIP-LABEL: v8f32_no_step2: |
| ; AVX-RECIP: # BB#0: |
| ; AVX-RECIP-NEXT: vrcpps %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 |
| ; AVX-RECIP-NEXT: retq |
| ; |
| ; FMA-RECIP-LABEL: v8f32_no_step2: |
| ; FMA-RECIP: # BB#0: |
| ; FMA-RECIP-NEXT: vrcpps %ymm0, %ymm0 |
| ; FMA-RECIP-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 |
| ; FMA-RECIP-NEXT: retq |
| ; |
| ; BTVER2-LABEL: v8f32_no_step2: |
| ; BTVER2: # BB#0: |
| ; BTVER2-NEXT: vrcpps %ymm0, %ymm0 # sched: [2:2.00] |
| ; BTVER2-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [7:2.00] |
| ; BTVER2-NEXT: retq # sched: [4:1.00] |
| ; |
| ; SANDY-LABEL: v8f32_no_step2: |
| ; SANDY: # BB#0: |
| ; SANDY-NEXT: vrcpps %ymm0, %ymm0 # sched: [7:2.00] |
| ; SANDY-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [12:1.00] |
| ; SANDY-NEXT: retq # sched: [1:1.00] |
| ; |
| ; HASWELL-LABEL: v8f32_no_step2: |
| ; HASWELL: # BB#0: |
| ; HASWELL-NEXT: vrcpps %ymm0, %ymm0 # sched: [11:2.00] |
| ; HASWELL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; HASWELL-NO-FMA-LABEL: v8f32_no_step2: |
| ; HASWELL-NO-FMA: # BB#0: |
| ; HASWELL-NO-FMA-NEXT: vrcpps %ymm0, %ymm0 # sched: [11:2.00] |
| ; HASWELL-NO-FMA-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; HASWELL-NO-FMA-NEXT: retq # sched: [2:1.00] |
| ; |
| ; KNL-LABEL: v8f32_no_step2: |
| ; KNL: # BB#0: |
| ; KNL-NEXT: vrcpps %ymm0, %ymm0 # sched: [11:2.00] |
| ; KNL-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [5:0.50] |
| ; KNL-NEXT: retq # sched: [2:1.00] |
| ; |
| ; SKX-LABEL: v8f32_no_step2: |
| ; SKX: # BB#0: |
| ; SKX-NEXT: vrcpps %ymm0, %ymm0 # sched: [4:1.00] |
| ; SKX-NEXT: vmulps {{.*}}(%rip), %ymm0, %ymm0 # sched: [11:0.50] |
| ; SKX-NEXT: retq # sched: [7:1.00] |
| %div = fdiv fast <8 x float> <float 1.0, float 2.0, float 3.0, float 4.0, float 5.0, float 6.0, float 7.0, float 8.0>, %x |
| ret <8 x float> %div |
| } |
| |
| attributes #0 = { "unsafe-fp-math"="true" "reciprocal-estimates"="!divf,!vec-divf" } |
| attributes #1 = { "unsafe-fp-math"="true" "reciprocal-estimates"="divf,vec-divf" } |
| attributes #2 = { "unsafe-fp-math"="true" "reciprocal-estimates"="divf:2,vec-divf:2" } |
| attributes #3 = { "unsafe-fp-math"="true" "reciprocal-estimates"="divf:0,vec-divf:0" } |
| |