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-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 3a691f3..73887a1 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -3309,6 +3309,7 @@ static void build_tex_intrinsic(const struct lp_build_tgsi_action *action,
* point in the program by emitting empty inline assembly that is marked as
* having side effects.
*/
+#if 0 /* unused currently */
static void emit_optimization_barrier(struct si_shader_context *ctx)
{
LLVMBuilderRef builder = ctx->gallivm.builder;
@@ -3316,7 +3317,10 @@ static void emit_optimization_barrier(struct si_shader_context *ctx)
LLVMValueRef inlineasm = LLVMConstInlineAsm(ftype, "", "", true, false);
LLVMBuildCall(builder, inlineasm, NULL, 0, "");
}
+#endif
+/* Combine these with & instead of |. */
+#define LGKM_CNT 0x07f
#define VM_CNT 0xf70
static void emit_waitcnt(struct si_shader_context *ctx, unsigned simm16)
@@ -5366,7 +5370,7 @@ static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action,
* always fits into a single wave.
*/
if (ctx->type == PIPE_SHADER_TESS_CTRL) {
- emit_optimization_barrier(ctx);
+ emit_waitcnt(ctx, LGKM_CNT & VM_CNT);
return;
}