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aco: skip scratch init when no scratch arg provide

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epilog does not use scratch so has no scratch arg.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24442>
This commit is contained in:
Qiang Yu 2023-07-25 11:19:47 +08:00 • committed by Marge Bot
parent d3333609e6
commit facbd13df1
1 changed files with 21 additions and 17 deletions
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38
src/amd/compiler/aco_instruction_selection.cpp
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@ -10981,26 +10981,30 @@ add_startpgm(struct isel_context* ctx)
}
}
if (ctx->program->gfx_level < GFX9) {
/* Stash these in the program so that they can be accessed later when
* handling spilling.
*/
if (ctx->args->ring_offsets.used)
ctx->program->private_segment_buffer = get_arg(ctx, ctx->args->ring_offsets);
/* epilog has no scratch */
if (ctx->args->scratch_offset.used) {
if (ctx->program->gfx_level < GFX9) {
/* Stash these in the program so that they can be accessed later when
* handling spilling.
*/
if (ctx->args->ring_offsets.used)
ctx->program->private_segment_buffer = get_arg(ctx, ctx->args->ring_offsets);
ctx->program->scratch_offset = get_arg(ctx, ctx->args->scratch_offset);
} else if (ctx->program->gfx_level <= GFX10_3 && ctx->program->stage != raytracing_cs) {
/* Manually initialize scratch. For RT stages scratch initialization is done in the prolog. */
Operand scratch_offset = Operand(get_arg(ctx, ctx->args->scratch_offset));
scratch_offset.setLateKill(true);
ctx->program->scratch_offset = get_arg(ctx, ctx->args->scratch_offset);
} else if (ctx->program->gfx_level <= GFX10_3 && ctx->program->stage != raytracing_cs) {
/* Manually initialize scratch. For RT stages scratch initialization is done in the prolog.
*/
Operand scratch_offset = Operand(get_arg(ctx, ctx->args->scratch_offset));
scratch_offset.setLateKill(true);
Operand scratch_addr = ctx->args->ring_offsets.used
? Operand(get_arg(ctx, ctx->args->ring_offsets))
: Operand(s2);
Operand scratch_addr = ctx->args->ring_offsets.used
? Operand(get_arg(ctx, ctx->args->ring_offsets))
: Operand(s2);
Builder bld(ctx->program, ctx->block);
bld.pseudo(aco_opcode::p_init_scratch, bld.def(s2), bld.def(s1, scc), scratch_addr,
scratch_offset);
Builder bld(ctx->program, ctx->block);
bld.pseudo(aco_opcode::p_init_scratch, bld.def(s2), bld.def(s1, scc), scratch_addr,
scratch_offset);
}
}
return startpgm;