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fcopysign for mixed mode 

llvm-svn: 26651
This commit is contained in:
Andrew Lenharth 2006-03-09 17:56:33 +00:00
parent f0fc6bbaf3
commit 70236fc12f
1 changed files with 20 additions and 1 deletions
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21
llvm/lib/Target/Alpha/AlphaInstrInfo.td
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@ -608,7 +608,21 @@ def CMPTLT : FPForm<0x16, 0x5A6, "cmptlt/su $RA,$RB,$RC", [], s_fadd>;
def CMPTUN : FPForm<0x16, 0x5A4, "cmptun/su $RA,$RB,$RC", [], s_fadd>;
// [(set F8RC:$RC, (setuo F8RC:$RA, F8RC:$RB))]>;
}
//TODO: Add lots more FP patterns
//More CPYS forms:
let OperandList = (ops F8RC:$RC, F4RC:$RA, F8RC:$RB) in {
def CPYSTs : FPForm<0x17, 0x020, "cpys $RA,$RB,$RC",
[(set F8RC:$RC, (fcopysign F8RC:$RB, F4RC:$RA))], s_fadd>;
def CPYSNTs : FPForm<0x17, 0x021, "cpysn $RA,$RB,$RC",
[(set F8RC:$RC, (fneg (fcopysign F8RC:$RB, F4RC:$RA)))], s_fadd>;
}
let OperandList = (ops F4RC:$RC, F8RC:$RA, F4RC:$RB) in {
def CPYSSt : FPForm<0x17, 0x020, "cpys $RA,$RB,$RC",
[(set F4RC:$RC, (fcopysign F4RC:$RB, F8RC:$RA))], s_fadd>;
def CPYSESt : FPForm<0x17, 0x022, "cpyse $RA,$RB,$RC",[], s_fadd>; //Copy sign and exponent
def CPYSNSt : FPForm<0x17, 0x021, "cpysn $RA,$RB,$RC",
[(set F4RC:$RC, (fneg (fcopysign F4RC:$RB, F8RC:$RA)))], s_fadd>;
}
//conditional moves, floats
let OperandList = (ops F4RC:$RDEST, F4RC:$RFALSE, F4RC:$RTRUE, F8RC:$RCOND),
@ -848,10 +862,15 @@ def : Pat<(fneg F8RC:$RB),
(CPYSNT F8RC:$RB, F8RC:$RB)>;
def : Pat<(fneg F4RC:$RB),
(CPYSNS F4RC:$RB, F4RC:$RB)>;
def : Pat<(fcopysign F4RC:$A, (fneg F4RC:$B)),
(CPYSNS F4RC:$B, F4RC:$A)>;
def : Pat<(fcopysign F8RC:$A, (fneg F8RC:$B)),
(CPYSNT F8RC:$B, F8RC:$A)>;
def : Pat<(fcopysign F4RC:$A, (fneg F8RC:$B)),
(CPYSNSt F8RC:$B, F4RC:$A)>;
def : Pat<(fcopysign F8RC:$A, (fneg F4RC:$B)),
(CPYSNTs F4RC:$B, F8RC:$A)>;
//Yes, signed multiply high is ugly
def : Pat<(mulhs GPRC:$RA, GPRC:$RB),