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ARM64: Fix bug where we didn't save the FP registers correctly in the vertex decoder.

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Also port a few ops from dolphin's ARM64 emitter.
This commit is contained in:
Henrik Rydgard 2015-06-14 12:56:44 +02:00
parent 4f3d18fcb7
commit 2c05334d47
6 changed files with 40 additions and 13 deletions
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10
GPU/Common/VertexDecoderArm64.cpp
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@ -24,7 +24,7 @@
#include "GPU/GPUState.h"
#include "GPU/Common/VertexDecoderCommon.h"
static float MEMORY_ALIGNED16(bones[16 * 8]); // First two are kept in registers
static float MEMORY_ALIGNED16(bones[16 * 8]); // First four are kept in registers
static float MEMORY_ALIGNED16(boneMask[4]) = {1.0f, 1.0f, 1.0f, 0.0f};
static const float by128 = 1.0f / 128.0f;
@ -135,8 +135,6 @@ static const JitLookup jitLookup[] = {
JittedVertexDecoder VertexDecoderJitCache::Compile(const VertexDecoder &dec) {
dec_ = &dec;
const u32 ALL_CALLEE_SAVED = 0x7FF80000;
BitSet32 regs_to_save(ALL_CALLEE_SAVED);
const u8 *start = AlignCode16();
@ -145,7 +143,7 @@ JittedVertexDecoder VertexDecoderJitCache::Compile(const VertexDecoder &dec) {
bool prescaleStep = false;
bool skinning = false;
bool log = false;
bool log = true;
// Look for prescaled texcoord steps
for (int i = 0; i < dec.numSteps_; i++) {
@ -163,7 +161,10 @@ JittedVertexDecoder VertexDecoderJitCache::Compile(const VertexDecoder &dec) {
// if (skinning) log = true;
BitSet32 regs_to_save(Arm64Gen::ALL_CALLEE_SAVED);
BitSet32 regs_to_save_fp(Arm64Gen::ALL_CALLEE_SAVED_FP);
ABI_PushRegisters(regs_to_save);
fp.ABI_PushRegisters(regs_to_save_fp);
// Keep the scale/offset in a few fp registers if we need it.
if (prescaleStep) {
@ -245,6 +246,7 @@ JittedVertexDecoder VertexDecoderJitCache::Compile(const VertexDecoder &dec) {
SetJumpTarget(skip);
}
fp.ABI_PopRegisters(regs_to_save_fp);
ABI_PopRegisters(regs_to_save);
RET();