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Added predicate !NoExcessFPPrecision to FMADD, FMADDS, FMSUB, and FMSUBS. 

llvm-svn: 24716
This commit is contained in:
Evan Cheng 2005-12-14 22:07:12 +00:00
parent d296a43f96
commit 3db275d996
1 changed files with 11 additions and 4 deletions
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15
llvm/lib/Target/PowerPC/PPCInstrInfo.td
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@ -166,6 +166,9 @@ def crbitm: Operand<i8> {
let PrintMethod = "printcrbitm"; let PrintMethod = "printcrbitm";
} }
//===----------------------------------------------------------------------===//
// PowerPC Instruction Predicate Definitions.
def FPContractions : Predicate<"!NoExcessFPPrecision">;
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// PowerPC Instruction Definitions. // PowerPC Instruction Definitions.
@ -719,22 +722,26 @@ def FMADD : AForm_1<63, 29,
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
"fmadd $FRT, $FRA, $FRC, $FRB", FPFused, "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
[(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC), [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
F8RC:$FRB))]>; F8RC:$FRB))]>,
Requires<[FPContractions]>;
def FMADDS : AForm_1<59, 29, def FMADDS : AForm_1<59, 29,
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB), (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
"fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral, "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
[(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC), [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
F4RC:$FRB))]>; F4RC:$FRB))]>,
Requires<[FPContractions]>;
def FMSUB : AForm_1<63, 28, def FMSUB : AForm_1<63, 28,
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
"fmsub $FRT, $FRA, $FRC, $FRB", FPFused, "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
[(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC), [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
F8RC:$FRB))]>; F8RC:$FRB))]>,
Requires<[FPContractions]>;
def FMSUBS : AForm_1<59, 28, def FMSUBS : AForm_1<59, 28,
(ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB), (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
"fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral, "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
[(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC), [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
F4RC:$FRB))]>; F4RC:$FRB))]>,
Requires<[FPContractions]>;
def FNMADD : AForm_1<63, 31, def FNMADD : AForm_1<63, 31,
(ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB), (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
"fnmadd $FRT, $FRA, $FRC, $FRB", FPFused, "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,