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ac/llvm: export mrt0 instead of null on gfx11

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Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16328>
This commit is contained in:
Marek Olšák
2021-12-17 14:08:45 -05:00
committed by Marge Bot
parent f24f8665db
commit 3d70cc90b7
1 changed files with 2 additions and 1 deletions
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src/amd/llvm/ac_llvm_build.c
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@@ -1915,7 +1915,8 @@ void ac_build_export_null(struct ac_llvm_context *ctx)
args.enabled_channels = 0x0; /* enabled channels */
args.valid_mask = 1; /* whether the EXEC mask is valid */
args.done = 1; /* DONE bit */
args.target = V_008DFC_SQ_EXP_NULL;
/* Gfx11 doesn't support null exports, and mrt0 should be exported instead. */
args.target = ctx->chip_class >= GFX11 ? V_008DFC_SQ_EXP_MRT : V_008DFC_SQ_EXP_NULL;
args.compr = 0; /* COMPR flag (0 = 32-bit export) */
args.out[0] = LLVMGetUndef(ctx->f32); /* R */
args.out[1] = LLVMGetUndef(ctx->f32); /* G */