Mesa (main): aco: Use as_vgpr for the second source of mbcnt_amd.

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Module: Mesa
Branch: main
Commit: 18337fbcf2123703ff6a5186b46d2ec8ca2c8dc7
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=18337fbcf2123703ff6a5186b46d2ec8ca2c8dc7

Author: Timur Kristóf <timur.kristof at gmail.com>
Date:   Thu Jun 10 11:40:16 2021 +0200

aco: Use as_vgpr for the second source of mbcnt_amd.

Fixes: 1e49018cedf700fd21fe1498d24742cecf4b5ff4
Signed-off-by: Timur Kristóf <timur.kristof at gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11292>

---

 src/amd/compiler/aco_instruction_selection.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index d36728a233d..9ca92d4f7d3 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -8380,7 +8380,7 @@ void visit_intrinsic(isel_context *ctx, nir_intrinsic_instr *instr)
    }
    case nir_intrinsic_mbcnt_amd: {
       Temp src = get_ssa_temp(ctx, instr->src[0].ssa);
-      Temp add_src = get_ssa_temp(ctx, instr->src[1].ssa);
+      Temp add_src = as_vgpr(ctx, get_ssa_temp(ctx, instr->src[1].ssa));
       Temp dst = get_ssa_temp(ctx, &instr->dest.ssa);
       /* Fit 64-bit mask for wave32 */
       src = emit_extract_vector(ctx, src, 0, RegClass(src.type(), bld.lm.size()));