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st/glsl_to_tgsi: the second destination doesn't support relative addressing

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It's not used -- DFRACEXP gets array indexes of its exponent out-parameter
lowered earlier -- and it wouldn't have worked correctly anyway when both
dst and dst1 use relative addressing.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2017-10-06 20:28:43 +02:00
parent 3b666aa747
commit cf3dd91969
1 changed files with 2 additions and 5 deletions
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7
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -389,7 +389,7 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
* sources into temps.
*/
num_reladdr += dst.reladdr != NULL || dst.reladdr2;
num_reladdr += dst1.reladdr != NULL || dst1.reladdr2;
assert(!dst1.reladdr); /* should be lowered in earlier passes */
num_reladdr += src0.reladdr != NULL || src0.reladdr2 != NULL;
num_reladdr += src1.reladdr != NULL || src1.reladdr2 != NULL;
num_reladdr += src2.reladdr != NULL || src2.reladdr2 != NULL;
@ -407,10 +407,7 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
emit_arl(ir, address_reg2, *dst.reladdr2);
num_reladdr--;
}
if (dst1.reladdr) {
emit_arl(ir, address_reg, *dst1.reladdr);
num_reladdr--;
}
assert(num_reladdr == 0);
/* inst->op has only 8 bits. */