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aco: clear the current wave exception in the trap handler

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This is required to re-enable VALU instructions in this wave, only
float exception seem to be affected.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31960>
This commit is contained in:
Samuel Pitoiset 2024-11-01 12:55:34 +01:00 • committed by Marge Bot
parent e85fc0f869
commit 6d5a2ae928
1 changed files with 5 additions and 0 deletions
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5
src/amd/compiler/aco_instruction_selection.cpp
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@ -12438,6 +12438,11 @@ select_trap_handler_shader(Program* program, struct nir_shader* shader, ac_shade
ac_hw_cache_flags cache_glc;
cache_glc.value = ac_glc;
/* Clear the current wave exception, this is required to re-enable VALU
* instructions in this wave. Seems to be only needed for float exceptions.
*/
bld.vop1(aco_opcode::v_clrexcp);
if (ctx.program->gfx_level >= GFX9) {
/* Get TMA. */
bld.sopk(aco_opcode::s_getreg_b32, Definition(PhysReg{ttmp10}, s1),