Added the following mask tests: __any(), __all(), __none() for all supported targets.

This allows for more efficient code generation of KNC.
This commit is contained in:
Jean-Luc Duprat
2012-09-14 11:06:18 -07:00
parent 4ecdbe4bd9
commit f0b0618484
15 changed files with 355 additions and 13 deletions

View File

@@ -313,6 +313,60 @@ define i64 @__movmsk(<8 x i32>) nounwind readnone alwaysinline {
ret i64 %v64
}
define i1 @__any(<8 x i32>) nounwind readnone alwaysinline {
; first do two 4-wide movmsk calls
%floatmask = bitcast <8 x i32> %0 to <8 x float>
%m0 = shufflevector <8 x float> %floatmask, <8 x float> undef,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
%v0 = call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %m0) nounwind readnone
%m1 = shufflevector <8 x float> %floatmask, <8 x float> undef,
<4 x i32> <i32 4, i32 5, i32 6, i32 7>
%v1 = call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %m1) nounwind readnone
; and shift the first one over by 4 before ORing it with the value
; of the second one
%v1s = shl i32 %v1, 4
%v = or i32 %v0, %v1s
%cmp = icmp ne i32 %v, 0
ret i1 %cmp
}
define i1 @__all(<8 x i32>) nounwind readnone alwaysinline {
; first do two 4-wide movmsk calls
%floatmask = bitcast <8 x i32> %0 to <8 x float>
%m0 = shufflevector <8 x float> %floatmask, <8 x float> undef,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
%v0 = call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %m0) nounwind readnone
%m1 = shufflevector <8 x float> %floatmask, <8 x float> undef,
<4 x i32> <i32 4, i32 5, i32 6, i32 7>
%v1 = call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %m1) nounwind readnone
; and shift the first one over by 4 before ORing it with the value
; of the second one
%v1s = shl i32 %v1, 4
%v = or i32 %v0, %v1s
%cmp = icmp eq i32 %v, 255
ret i1 %cmp
}
define i1 @__none(<8 x i32>) nounwind readnone alwaysinline {
; first do two 4-wide movmsk calls
%floatmask = bitcast <8 x i32> %0 to <8 x float>
%m0 = shufflevector <8 x float> %floatmask, <8 x float> undef,
<4 x i32> <i32 0, i32 1, i32 2, i32 3>
%v0 = call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %m0) nounwind readnone
%m1 = shufflevector <8 x float> %floatmask, <8 x float> undef,
<4 x i32> <i32 4, i32 5, i32 6, i32 7>
%v1 = call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %m1) nounwind readnone
; and shift the first one over by 4 before ORing it with the value
; of the second one
%v1s = shl i32 %v1, 4
%v = or i32 %v0, %v1s
%cmp = icmp eq i32 %v, 0
ret i1 %cmp
}
define <4 x float> @__vec4_add_float(<4 x float> %v0,
<4 x float> %v1) nounwind readnone alwaysinline {
%v = fadd <4 x float> %v0, %v1