Module: Mesa
Branch: master
Commit: 89cf8ca0ae8b5c9db4af34ebbfc5552366b70c30
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=89cf8ca0ae8b5c9db4af34ebbfc5552366b70c30

Author: Samuel Pitoiset <[email protected]>
Date:   Mon Apr  1 16:18:07 2019 +0200

ac: add 8-bit support to ac_build_bit_count()

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>

---

 src/amd/common/ac_llvm_build.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index fe280b31368..6d26ab31a66 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -2555,6 +2555,13 @@ LLVMValueRef ac_build_bit_count(struct ac_llvm_context 
*ctx, LLVMValueRef src0)
 
                result = LLVMBuildZExt(ctx->builder, result, ctx->i32, "");
                break;
+       case 8:
+               result = ac_build_intrinsic(ctx, "llvm.ctpop.i8", ctx->i8,
+                                           (LLVMValueRef []) { src0 }, 1,
+                                           AC_FUNC_ATTR_READNONE);
+
+               result = LLVMBuildZExt(ctx->builder, result, ctx->i32, "");
+               break;
        default:
                unreachable(!"invalid bitsize");
                break;

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