From 4464383a175dd121ca05fa7b35c0fa19933ceced Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 4 Apr 2006 22:43:55 +0000 Subject: [PATCH] add a note llvm-svn: 27414 --- llvm/lib/Target/PowerPC/README_ALTIVEC.txt | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/llvm/lib/Target/PowerPC/README_ALTIVEC.txt b/llvm/lib/Target/PowerPC/README_ALTIVEC.txt index 5aca1f4c3ce4..4aff927b5008 100644 --- a/llvm/lib/Target/PowerPC/README_ALTIVEC.txt +++ b/llvm/lib/Target/PowerPC/README_ALTIVEC.txt @@ -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.