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intel/fs: Mark source 0 of bcsel as needing Boolean resolve

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The other sources of the bcsel behave like the sources of an and or
other logical operation.  However, source zero behaves differently.
It is evaluated as a Boolean, so it needs to be resolved.

No shader-db changes, but the tests mentioned in the bug get a couple
instructions added back.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110857
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Ian Romanick 2019-06-07 15:45:03 -07:00
parent f9f89df8bc
commit 39f4dc23a5
1 changed files with 6 additions and 0 deletions
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6
src/intel/compiler/brw_nir_analyze_boolean_resolves.c
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@ -145,6 +145,12 @@ analyze_boolean_resolves_block(nir_block *block)
uint8_t src0_status = get_resolve_status_for_src(&alu->src[first + 0].src);
uint8_t src1_status = get_resolve_status_for_src(&alu->src[first + 1].src);
/* src0 of a bcsel is evaluated as a Boolean with the expectation
* that it has already been resolved. Mark it as such.
*/
if (alu->op == nir_op_b32csel)
src_mark_needs_resolve(&alu->src[0].src, NULL);
if (src0_status == src1_status) {
resolve_status = src0_status;
} else if (src0_status == BRW_NIR_NON_BOOLEAN ||