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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27414 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-04 22:43:55 +00:00
parent 098e699f21
commit 298b684229
1 changed files with 13 additions and 2 deletions
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15
lib/Target/PowerPC/README_ALTIVEC.txt
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@ -52,8 +52,6 @@ Missing intrinsics:
ds*
mf*
vavg*
vmax*
vmin*
vmladduhm
vmr*
vsel (some aliases only accessible using builtins)
@ -64,6 +62,19 @@ FABS/FNEG can be codegen'd with the appropriate and/xor of -0.0.
//===----------------------------------------------------------------------===//
Codegen the constant here with something better than a constant pool load.
void %test_f(<4 x float>* %P, <4 x float>* %Q, float %X) {
%tmp = load <4 x float>* %Q
%tmp = cast <4 x float> %tmp to <4 x int>
%tmp1 = and <4 x int> %tmp, < int 2147483647, int 2147483647, int 2147483647, int 2147483647 >
%tmp2 = cast <4 x int> %tmp1 to <4 x float>
store <4 x float> %tmp2, <4 x float>* %P
ret void
}
//===----------------------------------------------------------------------===//
For functions that use altivec AND have calls, we are VRSAVE'ing all call
clobbered regs.