Google Git
Sign in
llvm / llvm-project / llvm / 0410e9c75c4b25d71c9794f8cb51d60642ea8123 / . / test / CodeGen / X86 / limited-prec.ll
blob: 97882f113b69730aaf549a6ddbe240c11bda5845 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -limit-float-precision=6 -mtriple=i686-- | FileCheck %s --check-prefix=precision6
; RUN: llc < %s -limit-float-precision=12 -mtriple=i686-- | FileCheck %s --check-prefix=precision12
; RUN: llc < %s -limit-float-precision=18 -mtriple=i686-- | FileCheck %s --check-prefix=precision18
define float @f1(float %x) nounwind noinline {
; precision6-LABEL: f1:
; precision6: # %bb.0: # %entry
; precision6-NEXT: subl $20, %esp
; precision6-NEXT: flds {{[0-9]+}}(%esp)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fnstcw (%esp)
; precision6-NEXT: movzwl (%esp), %eax
; precision6-NEXT: orl $3072, %eax # imm = 0xC00
; precision6-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision6-NEXT: fldcw {{[0-9]+}}(%esp)
; precision6-NEXT: fistl {{[0-9]+}}(%esp)
; precision6-NEXT: fldcw (%esp)
; precision6-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: fisubl {{[0-9]+}}(%esp)
; precision6-NEXT: fld %st(0)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fmulp %st, %st(1)
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fstps {{[0-9]+}}(%esp)
; precision6-NEXT: shll $23, %eax
; precision6-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: flds {{[0-9]+}}(%esp)
; precision6-NEXT: addl $20, %esp
; precision6-NEXT: retl
;
; precision12-LABEL: f1:
; precision12: # %bb.0: # %entry
; precision12-NEXT: subl $20, %esp
; precision12-NEXT: flds {{[0-9]+}}(%esp)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fnstcw (%esp)
; precision12-NEXT: movzwl (%esp), %eax
; precision12-NEXT: orl $3072, %eax # imm = 0xC00
; precision12-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision12-NEXT: fldcw {{[0-9]+}}(%esp)
; precision12-NEXT: fistl {{[0-9]+}}(%esp)
; precision12-NEXT: fldcw (%esp)
; precision12-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: fisubl {{[0-9]+}}(%esp)
; precision12-NEXT: fld %st(0)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmulp %st, %st(1)
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fstps {{[0-9]+}}(%esp)
; precision12-NEXT: shll $23, %eax
; precision12-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: flds {{[0-9]+}}(%esp)
; precision12-NEXT: addl $20, %esp
; precision12-NEXT: retl
;
; precision18-LABEL: f1:
; precision18: # %bb.0: # %entry
; precision18-NEXT: subl $20, %esp
; precision18-NEXT: flds {{[0-9]+}}(%esp)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fnstcw (%esp)
; precision18-NEXT: movzwl (%esp), %eax
; precision18-NEXT: orl $3072, %eax # imm = 0xC00
; precision18-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision18-NEXT: fldcw {{[0-9]+}}(%esp)
; precision18-NEXT: fistl {{[0-9]+}}(%esp)
; precision18-NEXT: fldcw (%esp)
; precision18-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: fisubl {{[0-9]+}}(%esp)
; precision18-NEXT: fld %st(0)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmulp %st, %st(1)
; precision18-NEXT: fld1
; precision18-NEXT: faddp %st, %st(1)
; precision18-NEXT: fstps {{[0-9]+}}(%esp)
; precision18-NEXT: shll $23, %eax
; precision18-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: flds {{[0-9]+}}(%esp)
; precision18-NEXT: addl $20, %esp
; precision18-NEXT: retl
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = call float @llvm.exp.f32(float %x) ; <float> [#uses=1]
ret float %0
}
declare float @llvm.exp.f32(float) nounwind readonly
define float @f2(float %x) nounwind noinline {
; precision6-LABEL: f2:
; precision6: # %bb.0: # %entry
; precision6-NEXT: subl $20, %esp
; precision6-NEXT: flds {{[0-9]+}}(%esp)
; precision6-NEXT: fnstcw (%esp)
; precision6-NEXT: movzwl (%esp), %eax
; precision6-NEXT: orl $3072, %eax # imm = 0xC00
; precision6-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision6-NEXT: fldcw {{[0-9]+}}(%esp)
; precision6-NEXT: fistl {{[0-9]+}}(%esp)
; precision6-NEXT: fldcw (%esp)
; precision6-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: fisubl {{[0-9]+}}(%esp)
; precision6-NEXT: fld %st(0)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fmulp %st, %st(1)
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fstps {{[0-9]+}}(%esp)
; precision6-NEXT: shll $23, %eax
; precision6-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: flds {{[0-9]+}}(%esp)
; precision6-NEXT: addl $20, %esp
; precision6-NEXT: retl
;
; precision12-LABEL: f2:
; precision12: # %bb.0: # %entry
; precision12-NEXT: subl $20, %esp
; precision12-NEXT: flds {{[0-9]+}}(%esp)
; precision12-NEXT: fnstcw (%esp)
; precision12-NEXT: movzwl (%esp), %eax
; precision12-NEXT: orl $3072, %eax # imm = 0xC00
; precision12-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision12-NEXT: fldcw {{[0-9]+}}(%esp)
; precision12-NEXT: fistl {{[0-9]+}}(%esp)
; precision12-NEXT: fldcw (%esp)
; precision12-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: fisubl {{[0-9]+}}(%esp)
; precision12-NEXT: fld %st(0)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmulp %st, %st(1)
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fstps {{[0-9]+}}(%esp)
; precision12-NEXT: shll $23, %eax
; precision12-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: flds {{[0-9]+}}(%esp)
; precision12-NEXT: addl $20, %esp
; precision12-NEXT: retl
;
; precision18-LABEL: f2:
; precision18: # %bb.0: # %entry
; precision18-NEXT: subl $20, %esp
; precision18-NEXT: flds {{[0-9]+}}(%esp)
; precision18-NEXT: fnstcw (%esp)
; precision18-NEXT: movzwl (%esp), %eax
; precision18-NEXT: orl $3072, %eax # imm = 0xC00
; precision18-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision18-NEXT: fldcw {{[0-9]+}}(%esp)
; precision18-NEXT: fistl {{[0-9]+}}(%esp)
; precision18-NEXT: fldcw (%esp)
; precision18-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: fisubl {{[0-9]+}}(%esp)
; precision18-NEXT: fld %st(0)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmulp %st, %st(1)
; precision18-NEXT: fld1
; precision18-NEXT: faddp %st, %st(1)
; precision18-NEXT: fstps {{[0-9]+}}(%esp)
; precision18-NEXT: shll $23, %eax
; precision18-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: flds {{[0-9]+}}(%esp)
; precision18-NEXT: addl $20, %esp
; precision18-NEXT: retl
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = call float @llvm.exp2.f32(float %x) ; <float> [#uses=1]
ret float %0
}
declare float @llvm.exp2.f32(float) nounwind readonly
define float @f3(float %x) nounwind noinline {
; precision6-LABEL: f3:
; precision6: # %bb.0: # %entry
; precision6-NEXT: subl $20, %esp
; precision6-NEXT: flds {{[0-9]+}}(%esp)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fnstcw (%esp)
; precision6-NEXT: movzwl (%esp), %eax
; precision6-NEXT: orl $3072, %eax # imm = 0xC00
; precision6-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision6-NEXT: fldcw {{[0-9]+}}(%esp)
; precision6-NEXT: fistl {{[0-9]+}}(%esp)
; precision6-NEXT: fldcw (%esp)
; precision6-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: fisubl {{[0-9]+}}(%esp)
; precision6-NEXT: fld %st(0)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fmulp %st, %st(1)
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fstps {{[0-9]+}}(%esp)
; precision6-NEXT: shll $23, %eax
; precision6-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: flds {{[0-9]+}}(%esp)
; precision6-NEXT: addl $20, %esp
; precision6-NEXT: retl
;
; precision12-LABEL: f3:
; precision12: # %bb.0: # %entry
; precision12-NEXT: subl $20, %esp
; precision12-NEXT: flds {{[0-9]+}}(%esp)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fnstcw (%esp)
; precision12-NEXT: movzwl (%esp), %eax
; precision12-NEXT: orl $3072, %eax # imm = 0xC00
; precision12-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision12-NEXT: fldcw {{[0-9]+}}(%esp)
; precision12-NEXT: fistl {{[0-9]+}}(%esp)
; precision12-NEXT: fldcw (%esp)
; precision12-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: fisubl {{[0-9]+}}(%esp)
; precision12-NEXT: fld %st(0)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmulp %st, %st(1)
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fstps {{[0-9]+}}(%esp)
; precision12-NEXT: shll $23, %eax
; precision12-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: flds {{[0-9]+}}(%esp)
; precision12-NEXT: addl $20, %esp
; precision12-NEXT: retl
;
; precision18-LABEL: f3:
; precision18: # %bb.0: # %entry
; precision18-NEXT: subl $20, %esp
; precision18-NEXT: flds {{[0-9]+}}(%esp)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fnstcw (%esp)
; precision18-NEXT: movzwl (%esp), %eax
; precision18-NEXT: orl $3072, %eax # imm = 0xC00
; precision18-NEXT: movw %ax, {{[0-9]+}}(%esp)
; precision18-NEXT: fldcw {{[0-9]+}}(%esp)
; precision18-NEXT: fistl {{[0-9]+}}(%esp)
; precision18-NEXT: fldcw (%esp)
; precision18-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: fisubl {{[0-9]+}}(%esp)
; precision18-NEXT: fld %st(0)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmulp %st, %st(1)
; precision18-NEXT: fld1
; precision18-NEXT: faddp %st, %st(1)
; precision18-NEXT: fstps {{[0-9]+}}(%esp)
; precision18-NEXT: shll $23, %eax
; precision18-NEXT: addl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: flds {{[0-9]+}}(%esp)
; precision18-NEXT: addl $20, %esp
; precision18-NEXT: retl
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = call float @llvm.pow.f32(float 1.000000e+01, float %x) ; <float> [#uses=1]
ret float %0
}
declare float @llvm.pow.f32(float, float) nounwind readonly
define float @f4(float %x) nounwind noinline {
; precision6-LABEL: f4:
; precision6: # %bb.0: # %entry
; precision6-NEXT: subl $8, %esp
; precision6-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, %ecx
; precision6-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision6-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision6-NEXT: movl %ecx, (%esp)
; precision6-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision6-NEXT: shrl $23, %eax
; precision6-NEXT: addl $-127, %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: flds (%esp)
; precision6-NEXT: fld %st(0)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fmulp %st, %st(1)
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fildl {{[0-9]+}}(%esp)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: faddp %st, %st(1)
; precision6-NEXT: addl $8, %esp
; precision6-NEXT: retl
;
; precision12-LABEL: f4:
; precision12: # %bb.0: # %entry
; precision12-NEXT: subl $8, %esp
; precision12-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, %ecx
; precision12-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision12-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision12-NEXT: movl %ecx, (%esp)
; precision12-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision12-NEXT: shrl $23, %eax
; precision12-NEXT: addl $-127, %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: flds (%esp)
; precision12-NEXT: fld %st(0)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmulp %st, %st(1)
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fildl {{[0-9]+}}(%esp)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: faddp %st, %st(1)
; precision12-NEXT: addl $8, %esp
; precision12-NEXT: retl
;
; precision18-LABEL: f4:
; precision18: # %bb.0: # %entry
; precision18-NEXT: subl $8, %esp
; precision18-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, %ecx
; precision18-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision18-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision18-NEXT: movl %ecx, (%esp)
; precision18-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision18-NEXT: shrl $23, %eax
; precision18-NEXT: addl $-127, %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: flds (%esp)
; precision18-NEXT: fld %st(0)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmulp %st, %st(1)
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fildl {{[0-9]+}}(%esp)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: faddp %st, %st(1)
; precision18-NEXT: addl $8, %esp
; precision18-NEXT: retl
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = call float @llvm.log.f32(float %x) ; <float> [#uses=1]
ret float %0
}
declare float @llvm.log.f32(float) nounwind readonly
define float @f5(float %x) nounwind noinline {
; precision6-LABEL: f5:
; precision6: # %bb.0: # %entry
; precision6-NEXT: subl $8, %esp
; precision6-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, %ecx
; precision6-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision6-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision6-NEXT: movl %ecx, (%esp)
; precision6-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision6-NEXT: shrl $23, %eax
; precision6-NEXT: addl $-127, %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: flds (%esp)
; precision6-NEXT: fld %st(0)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fmulp %st, %st(1)
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fiaddl {{[0-9]+}}(%esp)
; precision6-NEXT: addl $8, %esp
; precision6-NEXT: retl
;
; precision12-LABEL: f5:
; precision12: # %bb.0: # %entry
; precision12-NEXT: subl $8, %esp
; precision12-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, %ecx
; precision12-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision12-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision12-NEXT: movl %ecx, (%esp)
; precision12-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision12-NEXT: shrl $23, %eax
; precision12-NEXT: addl $-127, %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: flds (%esp)
; precision12-NEXT: fld %st(0)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmulp %st, %st(1)
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fiaddl {{[0-9]+}}(%esp)
; precision12-NEXT: addl $8, %esp
; precision12-NEXT: retl
;
; precision18-LABEL: f5:
; precision18: # %bb.0: # %entry
; precision18-NEXT: subl $8, %esp
; precision18-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, %ecx
; precision18-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision18-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision18-NEXT: movl %ecx, (%esp)
; precision18-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision18-NEXT: shrl $23, %eax
; precision18-NEXT: addl $-127, %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: flds (%esp)
; precision18-NEXT: fld %st(0)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmulp %st, %st(1)
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fiaddl {{[0-9]+}}(%esp)
; precision18-NEXT: addl $8, %esp
; precision18-NEXT: retl
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = call float @llvm.log2.f32(float %x) ; <float> [#uses=1]
ret float %0
}
declare float @llvm.log2.f32(float) nounwind readonly
define float @f6(float %x) nounwind noinline {
; precision6-LABEL: f6:
; precision6: # %bb.0: # %entry
; precision6-NEXT: subl $8, %esp
; precision6-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision6-NEXT: movl %eax, %ecx
; precision6-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision6-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision6-NEXT: movl %ecx, (%esp)
; precision6-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision6-NEXT: shrl $23, %eax
; precision6-NEXT: addl $-127, %eax
; precision6-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision6-NEXT: flds (%esp)
; precision6-NEXT: fld %st(0)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fmulp %st, %st(1)
; precision6-NEXT: fadds {{\.LCPI.*}}
; precision6-NEXT: fildl {{[0-9]+}}(%esp)
; precision6-NEXT: fmuls {{\.LCPI.*}}
; precision6-NEXT: faddp %st, %st(1)
; precision6-NEXT: addl $8, %esp
; precision6-NEXT: retl
;
; precision12-LABEL: f6:
; precision12: # %bb.0: # %entry
; precision12-NEXT: subl $8, %esp
; precision12-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision12-NEXT: movl %eax, %ecx
; precision12-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision12-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision12-NEXT: movl %ecx, (%esp)
; precision12-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision12-NEXT: shrl $23, %eax
; precision12-NEXT: addl $-127, %eax
; precision12-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision12-NEXT: flds (%esp)
; precision12-NEXT: fld %st(0)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmul %st(1), %st
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fmulp %st, %st(1)
; precision12-NEXT: fadds {{\.LCPI.*}}
; precision12-NEXT: fildl {{[0-9]+}}(%esp)
; precision12-NEXT: fmuls {{\.LCPI.*}}
; precision12-NEXT: faddp %st, %st(1)
; precision12-NEXT: addl $8, %esp
; precision12-NEXT: retl
;
; precision18-LABEL: f6:
; precision18: # %bb.0: # %entry
; precision18-NEXT: subl $8, %esp
; precision18-NEXT: movl {{[0-9]+}}(%esp), %eax
; precision18-NEXT: movl %eax, %ecx
; precision18-NEXT: andl $8388607, %ecx # imm = 0x7FFFFF
; precision18-NEXT: orl $1065353216, %ecx # imm = 0x3F800000
; precision18-NEXT: movl %ecx, (%esp)
; precision18-NEXT: andl $2139095040, %eax # imm = 0x7F800000
; precision18-NEXT: shrl $23, %eax
; precision18-NEXT: addl $-127, %eax
; precision18-NEXT: movl %eax, {{[0-9]+}}(%esp)
; precision18-NEXT: flds (%esp)
; precision18-NEXT: fld %st(0)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmul %st(1), %st
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fmulp %st, %st(1)
; precision18-NEXT: fadds {{\.LCPI.*}}
; precision18-NEXT: fildl {{[0-9]+}}(%esp)
; precision18-NEXT: fmuls {{\.LCPI.*}}
; precision18-NEXT: faddp %st, %st(1)
; precision18-NEXT: addl $8, %esp
; precision18-NEXT: retl
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = call float @llvm.log10.f32(float %x) ; <float> [#uses=1]
ret float %0
}
declare float @llvm.log10.f32(float) nounwind readonly