Mesa (master): anv/cmd_buffer: Use gen_mi_sub instead of gen_mi_add with a negative

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Module: Mesa
Branch: master
Commit: 0d6dea0ac87ec3ca089c4ab637fd07a2f488e6a1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0d6dea0ac87ec3ca089c4ab637fd07a2f488e6a1

Author: Jason Ekstrand <jason at jlekstrand.net>
Date:   Sun Mar 31 17:27:13 2019 -0500

anv/cmd_buffer: Use gen_mi_sub instead of gen_mi_add with a negative

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

---

 src/intel/vulkan/genX_cmd_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index 7771afe663e..b6d935c6901 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -2950,7 +2950,7 @@ void genX(CmdDrawIndirectByteCountEXT)(
       gen_mi_mem32(anv_address_add(counter_buffer->address,
                                    counterBufferOffset));
    if (counterOffset)
-      count = gen_mi_iadd(&b, count, gen_mi_imm(-counterOffset));
+      count = gen_mi_isub(&b, count, gen_mi_imm(counterOffset));
    count = gen_mi_udiv32_imm(&b, count, vertexStride);
    gen_mi_store(&b, gen_mi_reg32(GEN7_3DPRIM_VERTEX_COUNT), count);