Module: Mesa Branch: master Commit: 2cecf6c5cc3d64e40eb3b785a8174b33e8df7563 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2cecf6c5cc3d64e40eb3b785a8174b33e8df7563
Author: Samuel Pitoiset <[email protected]> Date: Mon Apr 1 16:18:09 2019 +0200 ac: add 8-bit support to ac_build_umsb() Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Bas Nieuwenhuizen <[email protected]> --- src/amd/common/ac_llvm_build.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index f8d28a59cfe..8d749cc8eb0 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -1953,6 +1953,12 @@ ac_build_umsb(struct ac_llvm_context *ctx, highest_bit = LLVMConstInt(ctx->i16, 15, false); zero = ctx->i16_0; break; + case 8: + intrin_name = "llvm.ctlz.i8"; + type = ctx->i8; + highest_bit = LLVMConstInt(ctx->i8, 7, false); + zero = ctx->i8_0; + break; default: unreachable(!"invalid bitsize"); break; @@ -1973,7 +1979,7 @@ ac_build_umsb(struct ac_llvm_context *ctx, if (bitsize == 64) { msb = LLVMBuildTrunc(ctx->builder, msb, ctx->i32, ""); - } else if (bitsize == 16) { + } else if (bitsize < 32) { msb = LLVMBuildSExt(ctx->builder, msb, ctx->i32, ""); } _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
