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

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Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Jason Ekstrand 2019-03-31 17:27:13 -05:00
parent d17dd46b09
commit 0d6dea0ac8
1 changed files with 1 additions and 1 deletions
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2
src/intel/vulkan/genX_cmd_buffer.c
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@ -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);