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ac: add support for trinary_minmax instructions

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v2: Add missing break (Bas)

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Daniel Schürmann
2018-03-08 22:45:04 +01:00
committed by Bas Nieuwenhuizen
parent fe5d5d19b0
commit d00fb7ce54
1 changed files with 54 additions and 0 deletions
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src/amd/common/ac_nir_to_llvm.c
+54
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@@ -963,6 +963,60 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
break;
}
case nir_op_fmin3:
result = emit_intrin_2f_param(&ctx->ac, "llvm.minnum",
ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);
result = emit_intrin_2f_param(&ctx->ac, "llvm.minnum",
ac_to_float_type(&ctx->ac, def_type), result, src[2]);
break;
case nir_op_umin3:
result = emit_minmax_int(&ctx->ac, LLVMIntULT, src[0], src[1]);
result = emit_minmax_int(&ctx->ac, LLVMIntULT, result, src[2]);
break;
case nir_op_imin3:
result = emit_minmax_int(&ctx->ac, LLVMIntSLT, src[0], src[1]);
result = emit_minmax_int(&ctx->ac, LLVMIntSLT, result, src[2]);
break;
case nir_op_fmax3:
result = emit_intrin_2f_param(&ctx->ac, "llvm.maxnum",
ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);
result = emit_intrin_2f_param(&ctx->ac, "llvm.maxnum",
ac_to_float_type(&ctx->ac, def_type), result, src[2]);
break;
case nir_op_umax3:
result = emit_minmax_int(&ctx->ac, LLVMIntUGT, src[0], src[1]);
result = emit_minmax_int(&ctx->ac, LLVMIntUGT, result, src[2]);
break;
case nir_op_imax3:
result = emit_minmax_int(&ctx->ac, LLVMIntSGT, src[0], src[1]);
result = emit_minmax_int(&ctx->ac, LLVMIntSGT, result, src[2]);
break;
case nir_op_fmed3: {
LLVMValueRef tmp1 = emit_intrin_2f_param(&ctx->ac, "llvm.minnum",
ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);
LLVMValueRef tmp2 = emit_intrin_2f_param(&ctx->ac, "llvm.maxnum",
ac_to_float_type(&ctx->ac, def_type), src[0], src[1]);
tmp2 = emit_intrin_2f_param(&ctx->ac, "llvm.minnum",
ac_to_float_type(&ctx->ac, def_type), tmp2, src[2]);
result = emit_intrin_2f_param(&ctx->ac, "llvm.maxnum",
ac_to_float_type(&ctx->ac, def_type), tmp1, tmp2);
break;
}
case nir_op_imed3: {
LLVMValueRef tmp1 = emit_minmax_int(&ctx->ac, LLVMIntSLT, src[0], src[1]);
LLVMValueRef tmp2 = emit_minmax_int(&ctx->ac, LLVMIntSGT, src[0], src[1]);
tmp2 = emit_minmax_int(&ctx->ac, LLVMIntSLT, tmp2, src[2]);
result = emit_minmax_int(&ctx->ac, LLVMIntSGT, tmp1, tmp2);
break;
}
case nir_op_umed3: {
LLVMValueRef tmp1 = emit_minmax_int(&ctx->ac, LLVMIntULT, src[0], src[1]);
LLVMValueRef tmp2 = emit_minmax_int(&ctx->ac, LLVMIntUGT, src[0], src[1]);
tmp2 = emit_minmax_int(&ctx->ac, LLVMIntULT, tmp2, src[2]);
result = emit_minmax_int(&ctx->ac, LLVMIntUGT, tmp1, tmp2);
break;
}
default:
fprintf(stderr, "Unknown NIR alu instr: ");
nir_print_instr(&instr->instr, stderr);