[Mesa-dev] [RFC 3/5] amd/nir: Implement the new ordered/unordered comparisons

[Jason Ekstrand]

They map directly to LLVM opcodes so it's really easy.
---
 src/amd/common/ac_nir_to_llvm.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index c82c2ab548d..97a553505bc 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -708,8 +708,8 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
 	case nir_op_feq:
 		result = emit_float_cmp(&ctx->ac, LLVMRealOEQ, src[0], src[1]);
 		break;
-	case nir_op_fneu:
-		result = emit_float_cmp(&ctx->ac, LLVMRealUNE, src[0], src[1]);
+	case nir_op_fne:
+		result = emit_float_cmp(&ctx->ac, LLVMRealONE, src[0], src[1]);
 		break;
 	case nir_op_flt:
 		result = emit_float_cmp(&ctx->ac, LLVMRealOLT, src[0], src[1]);
@@ -717,6 +717,18 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
 	case nir_op_fge:
 		result = emit_float_cmp(&ctx->ac, LLVMRealOGE, src[0], src[1]);
 		break;
+	case nir_op_fequ:
+		result = emit_float_cmp(&ctx->ac, LLVMRealUEQ, src[0], src[1]);
+		break;
+	case nir_op_fneu:
+		result = emit_float_cmp(&ctx->ac, LLVMRealUNE, src[0], src[1]);
+		break;
+	case nir_op_fltu:
+		result = emit_float_cmp(&ctx->ac, LLVMRealULT, src[0], src[1]);
+		break;
+	case nir_op_fgeu:
+		result = emit_float_cmp(&ctx->ac, LLVMRealUGE, src[0], src[1]);
+		break;
 	case nir_op_fabs:
 		result = emit_intrin_1f_param(&ctx->ac, "llvm.fabs",
 		                              ac_to_float_type(&ctx->ac, def_type), src[0]);
-- 
2.19.1