[Mesa-dev] [PATCH 19/38] ac/nir: implement 16-bit shifts

Rhys Perry pendingchaos02 at gmail.com
Fri Dec 7 17:22:12 UTC 2018


Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
---
 src/amd/common/ac_nir_to_llvm.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 517da7ba9b..aac3330c0d 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -672,20 +672,17 @@ static void visit_alu(struct ac_nir_context *ctx, const nir_alu_instr *instr)
 		break;
 	case nir_op_ishl:
 		result = LLVMBuildShl(ctx->ac.builder, src[0],
-				      LLVMBuildZExt(ctx->ac.builder, src[1],
-						    LLVMTypeOf(src[0]), ""),
+				      ac_build_ui_cast(&ctx->ac, src[1], LLVMTypeOf(src[0])),
 				      "");
 		break;
 	case nir_op_ishr:
 		result = LLVMBuildAShr(ctx->ac.builder, src[0],
-				       LLVMBuildZExt(ctx->ac.builder, src[1],
-						     LLVMTypeOf(src[0]), ""),
+				       ac_build_ui_cast(&ctx->ac, src[1], LLVMTypeOf(src[0])),
 				       "");
 		break;
 	case nir_op_ushr:
 		result = LLVMBuildLShr(ctx->ac.builder, src[0],
-				       LLVMBuildZExt(ctx->ac.builder, src[1],
-						     LLVMTypeOf(src[0]), ""),
+				       ac_build_ui_cast(&ctx->ac, src[1], LLVMTypeOf(src[0])),
 				       "");
 		break;
 	case nir_op_ilt:
-- 
2.19.2



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