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c5e99819f4
Hard float for mips16 means essentially to compile as soft float but to use a runtime library for soft float that is written with native mips32 floating point instructions (those runtime routines run in mips32 hard float mode). The patch reviewed by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195123 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.4 KiB
LLVM
39 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=mipsel-linux-gnu -march=mipsel -mcpu=mips16 -relocation-model=static < %s | FileCheck %s
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@x = global float 0.000000e+00, align 4
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@.str = private unnamed_addr constant [20 x i8] c"in main: mips16 %f\0A\00", align 1
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; Function Attrs: nounwind
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define void @foo() #0 {
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entry:
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%0 = load float* @x, align 4
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%conv = fpext float %0 to double
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%add = fadd double %conv, 1.500000e+00
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%conv1 = fptrunc double %add to float
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store float %conv1, float* @x, align 4
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ret void
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}
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; CHECK: .ent foo
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; CHECK: jal __mips16_extendsfdf2
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; CHECK: .end foo
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; Function Attrs: nounwind
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define void @nofoo() #1 {
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entry:
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%0 = load float* @x, align 4
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%conv = fpext float %0 to double
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%add = fadd double %conv, 3.900000e+00
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%conv1 = fptrunc double %add to float
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store float %conv1, float* @x, align 4
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ret void
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}
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; CHECK: .ent nofoo
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; CHECK: cvt.d.s $f{{.+}}, $f{{.+}}
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; CHECK: .end nofoo
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attributes #0 = { nounwind "less-precise-fpmad"="false" "mips16" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="true" }
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attributes #1 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "nomips16" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="true" }
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