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