| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=x86-64 | FileCheck %s |
| |
| define x86_fp80 @rem_pio2l_min(x86_fp80 %z) { |
| ; CHECK-LABEL: rem_pio2l_min: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fnstcw -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movzwl -{{[0-9]+}}(%rsp), %eax |
| ; CHECK-NEXT: orl $3072, %eax # imm = 0xC00 |
| ; CHECK-NEXT: movw %ax, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fldcw -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fistl -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fldcw -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movl -{{[0-9]+}}(%rsp), %eax |
| ; CHECK-NEXT: movl %eax, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fisubl -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: flds {{.*}}(%rip) |
| ; CHECK-NEXT: fmul %st, %st(1) |
| ; CHECK-NEXT: fnstcw -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movzwl -{{[0-9]+}}(%rsp), %eax |
| ; CHECK-NEXT: orl $3072, %eax # imm = 0xC00 |
| ; CHECK-NEXT: movw %ax, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fldcw -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fxch %st(1) |
| ; CHECK-NEXT: fistl -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fldcw -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movl -{{[0-9]+}}(%rsp), %eax |
| ; CHECK-NEXT: movl %eax, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fisubl -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fmulp %st, %st(1) |
| ; CHECK-NEXT: retq |
| entry: |
| %conv = fptosi x86_fp80 %z to i32 |
| %conv1 = sitofp i32 %conv to x86_fp80 |
| %sub = fsub x86_fp80 %z, %conv1 |
| %mul = fmul x86_fp80 %sub, 0xK40178000000000000000 |
| %conv2 = fptosi x86_fp80 %mul to i32 |
| %conv3 = sitofp i32 %conv2 to x86_fp80 |
| %sub4 = fsub x86_fp80 %mul, %conv3 |
| %mul5 = fmul x86_fp80 %sub4, 0xK40178000000000000000 |
| ret x86_fp80 %mul5 |
| } |