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[X86] Do not try to custom-lower sitofp/fptosi in soft-float mode
Differential Revision: http://reviews.llvm.org/D14495 llvm-svn: 252621
This commit is contained in:
Michael Kuperstein
parent
440ea64ed6
commit
fa11182125
@ -199,23 +199,29 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
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setOperationAction(ISD::SINT_TO_FP , MVT::i32 , Promote);
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}
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// In 32-bit mode these are custom lowered. In 64-bit mode F32 and F64
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// are Legal, f80 is custom lowered.
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setOperationAction(ISD::FP_TO_SINT , MVT::i64 , Custom);
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setOperationAction(ISD::SINT_TO_FP , MVT::i64 , Custom);
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// Promote i1/i8 FP_TO_SINT to larger FP_TO_SINTS's, as X86 doesn't have
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// this operation.
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setOperationAction(ISD::FP_TO_SINT , MVT::i1 , Promote);
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setOperationAction(ISD::FP_TO_SINT , MVT::i8 , Promote);
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if (X86ScalarSSEf32) {
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setOperationAction(ISD::FP_TO_SINT , MVT::i16 , Promote);
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// f32 and f64 cases are Legal, f80 case is not
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setOperationAction(ISD::FP_TO_SINT , MVT::i32 , Custom);
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if (!Subtarget->useSoftFloat()) {
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// In 32-bit mode these are custom lowered. In 64-bit mode F32 and F64
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// are Legal, f80 is custom lowered.
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setOperationAction(ISD::FP_TO_SINT , MVT::i64 , Custom);
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setOperationAction(ISD::SINT_TO_FP , MVT::i64 , Custom);
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if (X86ScalarSSEf32) {
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setOperationAction(ISD::FP_TO_SINT , MVT::i16 , Promote);
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// f32 and f64 cases are Legal, f80 case is not
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setOperationAction(ISD::FP_TO_SINT , MVT::i32 , Custom);
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} else {
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setOperationAction(ISD::FP_TO_SINT , MVT::i16 , Custom);
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setOperationAction(ISD::FP_TO_SINT , MVT::i32 , Custom);
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}
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} else {
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setOperationAction(ISD::FP_TO_SINT , MVT::i16 , Custom);
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setOperationAction(ISD::FP_TO_SINT , MVT::i32 , Custom);
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setOperationAction(ISD::FP_TO_SINT , MVT::i16 , Promote);
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setOperationAction(ISD::FP_TO_SINT , MVT::i32 , Expand);
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setOperationAction(ISD::FP_TO_SINT , MVT::i64 , Expand);
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}
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// Handle FP_TO_UINT by promoting the destination to a larger signed
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@ -1,15 +1,133 @@
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; RUN: llc < %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
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target triple = "i386-pc-linux"
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; RUN: llc -mtriple=i386-pc-linux < %s | FileCheck %s
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; RUN: llc -mtriple=x86_64-pc-linux < %s | FileCheck %s
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; Function Attrs: nounwind
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; CHECK-LABEL: ll_to_d:
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; CHECK: calll __floatdidf
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define double @ll_to_d(i64 %n) #0 {
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; CHECK-LABEL: s64_to_d:
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; CHECK: call{{l|q}} __floatdidf
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define double @s64_to_d(i64 %n) #0 {
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entry:
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%conv = sitofp i64 %n to double
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ret double %conv
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}
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; CHECK-LABEL: s64_to_f:
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; CHECK: call{{l|q}} __floatdisf
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define float @s64_to_f(i64 %n) #0 {
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entry:
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%conv = sitofp i64 %n to float
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ret float %conv
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}
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; CHECK-LABEL: s32_to_d:
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; CHECK: call{{l|q}} __floatsidf
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define double @s32_to_d(i32 %n) #0 {
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entry:
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%conv = sitofp i32 %n to double
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ret double %conv
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}
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; CHECK-LABEL: s32_to_f:
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; CHECK: call{{l|q}} __floatsisf
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define float @s32_to_f(i32 %n) #0 {
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entry:
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%conv = sitofp i32 %n to float
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ret float %conv
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}
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; CHECK-LABEL: u64_to_d:
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; CHECK: call{{l|q}} __floatundidf
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define double @u64_to_d(i64 %n) #0 {
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entry:
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%conv = uitofp i64 %n to double
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ret double %conv
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}
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; CHECK-LABEL: u64_to_f:
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; CHECK: call{{l|q}} __floatundisf
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define float @u64_to_f(i64 %n) #0 {
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entry:
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%conv = uitofp i64 %n to float
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ret float %conv
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}
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; CHECK-LABEL: u32_to_d:
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; CHECK: call{{l|q}} __floatunsidf
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define double @u32_to_d(i32 %n) #0 {
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entry:
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%conv = uitofp i32 %n to double
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ret double %conv
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}
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; CHECK-LABEL: u32_to_f:
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; CHECK: call{{l|q}} __floatunsisf
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define float @u32_to_f(i32 %n) #0 {
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entry:
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%conv = uitofp i32 %n to float
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ret float %conv
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}
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; CHECK-LABEL: d_to_s64:
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; CHECK: call{{l|q}} __fixdfdi
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define i64 @d_to_s64(double %n) #0 {
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entry:
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%conv = fptosi double %n to i64
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ret i64 %conv
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}
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; CHECK-LABEL: d_to_s32:
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; CHECK: call{{l|q}} __fixdfsi
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define i32 @d_to_s32(double %n) #0 {
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entry:
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%conv = fptosi double %n to i32
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ret i32 %conv
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}
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; CHECK-LABEL: f_to_s64:
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; CHECK: call{{l|q}} __fixsfdi
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define i64 @f_to_s64(float %n) #0 {
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entry:
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%conv = fptosi float %n to i64
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ret i64 %conv
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}
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; CHECK-LABEL: f_to_s32:
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; CHECK: call{{l|q}} __fixsfsi
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define i32 @f_to_s32(float %n) #0 {
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entry:
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%conv = fptosi float %n to i32
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ret i32 %conv
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}
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; CHECK-LABEL: d_to_u64:
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; CHECK: call{{l|q}} __fixunsdfdi
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define i64 @d_to_u64(double %n) #0 {
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entry:
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%conv = fptoui double %n to i64
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ret i64 %conv
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}
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; CHECK-LABEL: d_to_u32:
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; CHECK: call{{l|q}} __fixunsdfsi
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define i32 @d_to_u32(double %n) #0 {
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entry:
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%conv = fptoui double %n to i32
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ret i32 %conv
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}
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; CHECK-LABEL: f_to_u64:
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; CHECK: call{{l|q}} __fixunssfdi
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define i64 @f_to_u64(float %n) #0 {
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entry:
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%conv = fptoui float %n to i64
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ret i64 %conv
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}
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; CHECK-LABEL: f_to_u32:
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; CHECK: call{{l|q}} __fixunssfsi
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define i32 @f_to_u32(float %n) #0 {
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entry:
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%conv = fptoui float %n to i32
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ret i32 %conv
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}
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attributes #0 = { nounwind "use-soft-float"="true" }
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