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add support for selecting bools

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FIXME: this is commented out because it makes tblgen go a bit fruity


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25193 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duraid Madina 2006-01-11 01:21:12 +00:00
parent 92cb0af675
commit 07ac89f30a
1 changed files with 5 additions and 1 deletions
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6
lib/Target/IA64/IA64InstrInfo.td
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@ -424,11 +424,15 @@ let isTwoAddress = 1 in {
"($qp) mov $dst = $src;;">;
}
// TODO: select bools
def SELECTINT : Pat<(select PR:$which, GR:$src1, GR:$src2),
(CMOV (MOV GR:$src2), GR:$src1, PR:$which)>; // note order!
def SELECTFP : Pat<(select PR:$which, FP:$src1, FP:$src2),
(CFMOV (FMOV FP:$src2), FP:$src1, PR:$which)>; // note order!
// TODO: can do this faster, w/o using any integer regs (see pattern isel)
// FIXME: this makes tblgen cough and splutter:
// Assertion && "Unknown node in result pattern!"'
//def SELECTBOOL : Pat<(select PR:$which, PR:$src1, PR:$src2), // note order!
// (trunc (CMOV (MOV (zext PR:$src2)), (zext PR:$src1), PR:$which))>;
// load constants of various sizes // FIXME: prettyprint -ve constants
def : Pat<(i64 immSExt14:$imm), (ADDS r0, immSExt14:$imm)>;