[Mesa-dev] [PATCH 4/5] ac: fix ac_find_lsb() for 16-bit integer type

[Samuel Pitoiset]

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/common/ac_llvm_build.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index b0ce7fc98bd..bf4fe3d8c64 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -2956,6 +2956,8 @@ LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx,
 
 	if (src0_bitsize == 64) {
 		lsb = LLVMBuildTrunc(ctx->builder, lsb, ctx->i32, "");
+	} else if (src0_bitsize == 16) {
+		lsb = LLVMBuildSExt(ctx->builder, lsb, ctx->i32, "");
 	}
 
 	/* TODO: We need an intrinsic to skip this conditional. */
-- 
2.21.0