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author | Akira Hatanaka <ahatanaka@mips.com> | 2012-11-03 00:53:12 +0000 |
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committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-11-03 00:53:12 +0000 |
commit | 3c77033a902af3185aa9a759c4a845fa359a475c (patch) | |
tree | 21a4a927b21961c2150713cd4edb94ea6f2f75a0 /lib/Target/Mips/MipsInstrFPU.td | |
parent | b4b04c3fa0a5da15424de7818e9f72811495c65b (diff) | |
download | external_llvm-3c77033a902af3185aa9a759c4a845fa359a475c.zip external_llvm-3c77033a902af3185aa9a759c4a845fa359a475c.tar.gz external_llvm-3c77033a902af3185aa9a759c4a845fa359a475c.tar.bz2 |
[mips] Set flag neverHasSideEffects flag on floating point conversion
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167348 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsInstrFPU.td')
-rw-r--r-- | lib/Target/Mips/MipsInstrFPU.td | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td index 441d2e8..33ee020 100644 --- a/lib/Target/Mips/MipsInstrFPU.td +++ b/lib/Target/Mips/MipsInstrFPU.td @@ -182,20 +182,21 @@ defm CEIL_W : FFR1_W_M<0xe, "ceil">; defm CEIL_L : FFR1_L_M<0xa, "ceil">; defm FLOOR_W : FFR1_W_M<0xf, "floor">; defm FLOOR_L : FFR1_L_M<0xb, "floor">; -defm CVT_W : FFR1_W_M<0x24, "cvt">; +defm CVT_W : FFR1_W_M<0x24, "cvt">, NeverHasSideEffects; //defm CVT_L : FFR1_L_M<0x25, "cvt">; -def CVT_S_W : FFR1<0x20, 20, "cvt", "s.w", FGR32, FGR32>; -def CVT_L_S : FFR1<0x25, 16, "cvt", "l.s", FGR64, FGR32>; -def CVT_L_D64: FFR1<0x25, 17, "cvt", "l.d", FGR64, FGR64>; +def CVT_S_W : FFR1<0x20, 20, "cvt", "s.w", FGR32, FGR32>, NeverHasSideEffects; +def CVT_L_S : FFR1<0x25, 16, "cvt", "l.s", FGR64, FGR32>, NeverHasSideEffects; +def CVT_L_D64: FFR1<0x25, 17, "cvt", "l.d", FGR64, FGR64>, NeverHasSideEffects; -let Predicates = [NotFP64bit, HasStandardEncoding] in { +let Predicates = [NotFP64bit, HasStandardEncoding], neverHasSideEffects = 1 in { def CVT_S_D32 : FFR1<0x20, 17, "cvt", "s.d", FGR32, AFGR64>; def CVT_D32_W : FFR1<0x21, 20, "cvt", "d.w", AFGR64, FGR32>; def CVT_D32_S : FFR1<0x21, 16, "cvt", "d.s", AFGR64, FGR32>; } -let Predicates = [IsFP64bit, HasStandardEncoding], DecoderNamespace = "Mips64" in { +let Predicates = [IsFP64bit, HasStandardEncoding], DecoderNamespace = "Mips64", + neverHasSideEffects = 1 in { def CVT_S_D64 : FFR1<0x20, 17, "cvt", "s.d", FGR32, FGR64>; def CVT_S_L : FFR1<0x20, 21, "cvt", "s.l", FGR32, FGR64>; def CVT_D64_W : FFR1<0x21, 20, "cvt", "d.w", FGR64, FGR32>; |