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shader_recompiler: Implement S_FLBIT_I32_B32 and V_MUL_HI_I32. (#2793)

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This commit is contained in:
squidbus
2025-04-16 08:08:09 -07:00
committed by GitHub
parent 3bc876ca78
commit 52ab1ed04b
8 changed files with 33 additions and 12 deletions
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4
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
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@@ -338,8 +338,8 @@ Id EmitIAdd64(EmitContext& ctx, Id a, Id b);
Id EmitIAddCary32(EmitContext& ctx, Id a, Id b);
Id EmitISub32(EmitContext& ctx, Id a, Id b);
Id EmitISub64(EmitContext& ctx, Id a, Id b);
Id EmitSMulExt(EmitContext& ctx, Id a, Id b);
Id EmitUMulExt(EmitContext& ctx, Id a, Id b);
Id EmitSMulHi(EmitContext& ctx, Id a, Id b);
Id EmitUMulHi(EmitContext& ctx, Id a, Id b);
Id EmitIMul32(EmitContext& ctx, Id a, Id b);
Id EmitIMul64(EmitContext& ctx, Id a, Id b);
Id EmitSDiv32(EmitContext& ctx, Id a, Id b);

13
src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
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@@ -72,12 +72,17 @@ Id EmitISub64(EmitContext& ctx, Id a, Id b) {
return ctx.OpISub(ctx.U64, a, b);
}
Id EmitSMulExt(EmitContext& ctx, Id a, Id b) {
return ctx.OpSMulExtended(ctx.full_result_i32x2, a, b);
Id EmitSMulHi(EmitContext& ctx, Id a, Id b) {
const auto signed_a{ctx.OpBitcast(ctx.S32[1], a)};
const auto signed_b{ctx.OpBitcast(ctx.S32[1], b)};
const auto mul_ext{ctx.OpSMulExtended(ctx.full_result_i32x2, signed_a, signed_b)};
const auto signed_hi{ctx.OpCompositeExtract(ctx.S32[1], mul_ext, 1)};
return ctx.OpBitcast(ctx.U32[1], signed_hi);
}
Id EmitUMulExt(EmitContext& ctx, Id a, Id b) {
return ctx.OpUMulExtended(ctx.full_result_u32x2, a, b);
Id EmitUMulHi(EmitContext& ctx, Id a, Id b) {
const auto mul_ext{ctx.OpUMulExtended(ctx.full_result_u32x2, a, b)};
return ctx.OpCompositeExtract(ctx.U32[1], mul_ext, 1);
}
Id EmitIMul32(EmitContext& ctx, Id a, Id b) {