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ac: add 8-bit support to ac_build_bit_count()
author
Samuel Pitoiset
<samuel.pitoiset@gmail.com>
Mon, 1 Apr 2019 14:18:07 +0000
(16:18 +0200)
committer
Samuel Pitoiset
<samuel.pitoiset@gmail.com>
Mon, 1 Apr 2019 16:53:52 +0000
(18:53 +0200)
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
src/amd/common/ac_llvm_build.c
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diff --git
a/src/amd/common/ac_llvm_build.c
b/src/amd/common/ac_llvm_build.c
index
fe280b3
..
6d26ab3
100644
(file)
--- 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;