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ac/nir: fix translation of nir_op_b2i for doubles

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V2: just zero-extend the 32-bit value.

Fixes a number of int64 piglet tests, for example:

generated_tests/spec/arb_gpu_shader_int64/execution/conversion/frag-conversion-explicit-bool-int64_t.shader_test

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Timothy Arceri 2018-01-12 12:31:00 +11:00
parent 4d61eb8018
commit 741b21b713
1 changed files with 9 additions and 3 deletions
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12
src/amd/common/ac_nir_to_llvm.c
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@ -1422,9 +1422,15 @@ static LLVMValueRef emit_f2b(struct ac_llvm_context *ctx,
}
static LLVMValueRef emit_b2i(struct ac_llvm_context *ctx,
LLVMValueRef src0)
LLVMValueRef src0,
unsigned bitsize)
{
return LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
LLVMValueRef result = LLVMBuildAnd(ctx->builder, src0, ctx->i32_1, "");
if (bitsize == 32)
return result;
return LLVMBuildZExt(ctx->builder, result, ctx->i64, "");
}
static LLVMValueRef emit_i2b(struct ac_llvm_context *ctx,
@ -1979,7 +1985,7 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
result = emit_f2b(&ctx->ac, src[0]);
break;
case nir_op_b2i:
result = emit_b2i(&ctx->ac, src[0]);
result = emit_b2i(&ctx->ac, src[0], instr->dest.dest.ssa.bit_size);
break;
case nir_op_i2b:
src[0] = ac_to_integer(&ctx->ac, src[0]);