Saturating unsigned VECTOR_ADD.

2014-05-27 14:27:07 -07:00
parent 8619a15ee3
commit 5436cde0fc
3 changed files with 37 additions and 1 deletions
--- a/src/alloy/backend/x64/x64_emitter.cc
+++ b/src/alloy/backend/x64/x64_emitter.cc
@@ -444,6 +444,7 @@ Address X64Emitter::GetXmmConstPtr(XmmConst id) {
    /* XMMOneOver255          */ vec128f(1.0f / 255.0f, 1.0f / 255.0f, 1.0f / 255.0f, 1.0f / 255.0f),
    /* XMMShiftMaskPS         */ vec128i(0x0000001Fu, 0x0000001Fu, 0x0000001Fu, 0x0000001Fu),
    /* XMMShiftByteMask       */ vec128i(0x000000FFu, 0x000000FFu, 0x000000FFu, 0x000000FFu),
+    /* XMMUnsignedDwordMax    */ vec128i(0xFFFFFFFFu, 0x00000000u, 0xFFFFFFFFu, 0x00000000u),
  };
  // TODO(benvanik): cache base pointer somewhere? stack? It'd be nice to
  // prevent this move.