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Merge pull request #4441 from unknownbrackets/vertex-decoder-jit

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Force 5 byte jumps to avoid jump target issues (vertex jit, x86)
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Henrik Rydgård committed 2013-11-04 01:25:40 -08:00
2 parents af3bc546fb a1fa65f631
commit 5886ccffdc
2 files changed
+4 -6
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GPU/GLES/VertexDecoder.cpp
+3 -3
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@@ -1196,7 +1196,7 @@ JittedVertexDecoder VertexDecoderJitCache::Compile(const VertexDecoder &dec) {
ADD(32, R(dstReg), Imm32(dec.decFmt.stride));
#endif
SUB(32, R(counterReg), Imm8(1));
J_CC(CC_NZ, loopStart);
J_CC(CC_NZ, loopStart, true);
#ifdef _M_IX86
// Restore register values
@@ -1317,7 +1317,7 @@ void VertexDecoderJitCache::Jit_Color4444() {
// tempReg1 -> ABGR0000, then double A backwards.
SHL(32, R(tempReg1), Imm8(8));
MOV(32, R(tempReg3), R(tempReg1));
AND(32, R(tempReg3), Imm32(0xF000000));
AND(32, R(tempReg3), Imm32(0xF0000000));
OR(32, R(tempReg2), R(tempReg3));
SHR(32, R(tempReg3), Imm8(4));
OR(32, R(tempReg2), R(tempReg3));
@@ -1345,7 +1345,7 @@ void VertexDecoderJitCache::Jit_Color565() {
AND(32, R(tempReg2), Imm32(0x00FF00FF));
// Now's as good a time to put in A as any.
OR(32, R(tempReg2), Imm8(0xFF000000));
OR(32, R(tempReg2), Imm32(0xFF000000));
// Last, we need to align, extract, and expand G.
// 3 to align to G, and then 2 to expand to 8.