Add floating point selects on %xcc predicates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182222 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2013-05-19 20:33:11 +00:00
parent 89db6732fb
commit 51d46c36bc
2 changed files with 32 additions and 0 deletions

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@ -323,6 +323,16 @@ def MOVXCCri : Pseudo<(outs IntRegs:$rd),
"mov$cond %xcc, $i, $rd",
[(set i32:$rd,
(SPselectxcc simm11:$i, i32:$f, imm:$cond))]>;
def FMOVS_XCC : Pseudo<(outs FPRegs:$rd),
(ins FPRegs:$rs2, FPRegs:$f, CCOp:$cond),
"fmovs$cond %xcc, $rs2, $rd",
[(set f32:$rd,
(SPselectxcc f32:$rs2, f32:$f, imm:$cond))]>;
def FMOVD_XCC : Pseudo<(outs DFPRegs:$rd),
(ins DFPRegs:$rs2, DFPRegs:$f, CCOp:$cond),
"fmovd$cond %xcc, $rs2, $rd",
[(set f64:$rd,
(SPselectxcc f64:$rs2, f64:$f, imm:$cond))]>;
} // Uses, Constraints
def : Pat<(SPselectxcc i64:$t, i64:$f, imm:$cond),

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@ -65,3 +65,25 @@ entry:
%rv = select i1 %tobool, i64 %a, i64 %b
ret i64 %rv
}
; CHECK: selectf32_xcc
; CHECK: subcc %i0, %i1
; CHECK: fmovsg %xcc, %f5, %f7
; CHECK: fmovs %f7, %f1
define float @selectf32_xcc(i64 %x, i64 %y, float %a, float %b) {
entry:
%tobool = icmp sgt i64 %x, %y
%rv = select i1 %tobool, float %a, float %b
ret float %rv
}
; CHECK: selectf64_xcc
; CHECK: subcc %i0, %i1
; CHECK: fmovdg %xcc, %f4, %f6
; CHECK: fmovd %f6, %f0
define double @selectf64_xcc(i64 %x, i64 %y, double %a, double %b) {
entry:
%tobool = icmp sgt i64 %x, %y
%rv = select i1 %tobool, double %a, double %b
ret double %rv
}