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aco: save/restore VGPRS on GFX8 in the trap handler shader

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This will be needed for dumping VGPRs.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32090>
This commit is contained in:
Samuel Pitoiset 2024-11-13 12:23:19 +01:00 • committed by Marge Bot
parent a77af57e83
commit c712555a9f
1 changed files with 5 additions and 4 deletions
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9
src/amd/compiler/aco_instruction_selection.cpp
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@ -12385,6 +12385,9 @@ select_trap_handler_shader(Program* program, ac_shader_config* config,
bld.smem(aco_opcode::s_load_dwordx4, Definition(tma_rsrc, s4), Operand(PhysReg{tma_lo}, s2),
Operand::zero());
/* Save VGPRS that needs to be restored. */
save_vgprs_to_mem(&ctx, Operand(tma_rsrc, s4));
/* Store TTMP0-TTMP1. */
bld.smem(aco_opcode::s_buffer_store_dwordx2, Operand(tma_rsrc, s4), Operand::c32(offset),
Operand(ttmp0_reg, s2), memory_sync_info(), cache_glc);
@ -12433,10 +12436,8 @@ select_trap_handler_shader(Program* program, ac_shader_config* config,
offset += 4;
}
if (ctx.program->gfx_level >= GFX9) {
/* Restore VGPRS. */
restore_vgprs_from_mem(&ctx, Operand(tma_rsrc, s4));
}
/* Restore VGPRS. */
restore_vgprs_from_mem(&ctx, Operand(tma_rsrc, s4));
/* Restore m0 and exec. */
bld.copy(Definition(m0, s1), Operand(save_m0, s1));