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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-11 18:19:39 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-11 18:19:39 +0000 |
| commit | a66450d227d8aa6a77d9409a628615f0ea271455 (patch) | |
| tree | b48d6af0b0d1d21f508cfd82e3f46e803bb79144 /lib/Target/X86/X86InstrFPStack.td | |
| parent | 4cae5af54eb3561bf2ae4397b4b8c222f74423f5 (diff) | |
| download | llvm-a66450d227d8aa6a77d9409a628615f0ea271455.tar.gz llvm-a66450d227d8aa6a77d9409a628615f0ea271455.tar.bz2 llvm-a66450d227d8aa6a77d9409a628615f0ea271455.tar.xz | |
Use target independent COPY instructions for the fake fextend and fround
operations in x87 code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108098 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrFPStack.td')
| -rw-r--r-- | lib/Target/X86/X86InstrFPStack.td | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td index c75ee7d4fe..da93de988d 100644 --- a/lib/Target/X86/X86InstrFPStack.td +++ b/lib/Target/X86/X86InstrFPStack.td @@ -680,19 +680,19 @@ def : Pat<(X86fildflag addr:$src, i64), (ILD_Fp64m64 addr:$src)>; // FP extensions map onto simple pseudo-value conversions if they are to/from // the FP stack. -def : Pat<(f64 (fextend RFP32:$src)), (MOV_Fp3264 RFP32:$src)>, +def : Pat<(f64 (fextend RFP32:$src)), (COPY_TO_REGCLASS RFP32:$src, RFP64)>, Requires<[FPStackf32]>; -def : Pat<(f80 (fextend RFP32:$src)), (MOV_Fp3280 RFP32:$src)>, +def : Pat<(f80 (fextend RFP32:$src)), (COPY_TO_REGCLASS RFP32:$src, RFP80)>, Requires<[FPStackf32]>; -def : Pat<(f80 (fextend RFP64:$src)), (MOV_Fp6480 RFP64:$src)>, +def : Pat<(f80 (fextend RFP64:$src)), (COPY_TO_REGCLASS RFP64:$src, RFP80)>, Requires<[FPStackf64]>; // FP truncations map onto simple pseudo-value conversions if they are to/from // the FP stack. We have validated that only value-preserving truncations make // it through isel. -def : Pat<(f32 (fround RFP64:$src)), (MOV_Fp6432 RFP64:$src)>, +def : Pat<(f32 (fround RFP64:$src)), (COPY_TO_REGCLASS RFP64:$src, RFP32)>, Requires<[FPStackf32]>; -def : Pat<(f32 (fround RFP80:$src)), (MOV_Fp8032 RFP80:$src)>, +def : Pat<(f32 (fround RFP80:$src)), (COPY_TO_REGCLASS RFP80:$src, RFP32)>, Requires<[FPStackf32]>; -def : Pat<(f64 (fround RFP80:$src)), (MOV_Fp8064 RFP80:$src)>, +def : Pat<(f64 (fround RFP80:$src)), (COPY_TO_REGCLASS RFP80:$src, RFP64)>, Requires<[FPStackf64]>; |