diff options
| author | Samuel Pitoiset <[email protected]> | 2019-04-01 16:18:08 +0200 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2019-04-01 18:53:53 +0200 |
| commit | a45d9e3e8d0524a95f929f88ab6a18c943e80f37 (patch) | |
| tree | c6da1f108c7d79eee71eb1c049a943649e6bbc7d | |
| parent | 89cf8ca0ae8b5c9db4af34ebbfc5552366b70c30 (diff) | |
ac: add 8-bit support to ac_find_lsb()
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 6d26ab31a66..f8d28a59cfe 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -2931,6 +2931,11 @@ LLVMValueRef ac_find_lsb(struct ac_llvm_context *ctx, type = ctx->i16; zero = ctx->i16_0; break; + case 8: + intrin_name = "llvm.cttz.i8"; + type = ctx->i8; + zero = ctx->i8_0; + break; default: unreachable(!"invalid bitsize"); } @@ -2956,7 +2961,7 @@ 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) { + } else if (src0_bitsize < 32) { lsb = LLVMBuildSExt(ctx->builder, lsb, ctx->i32, ""); } |