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broadcom/compiler: add a constant alu optimization pass

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Currently this is useful to clean up after DCEing leading ldunifa
instructions, but it can be expanded to handle more cases which
may allow to simplify the compiler code in places where we have
been trying to optimize manually for similar cases.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9128>
This commit is contained in:
Iago Toral Quiroga
2021-02-17 11:17:25 +01:00
committed by Marge Bot
parent 89de085055
commit e1cf2406da
5 changed files with 149 additions and 4 deletions
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1
src/broadcom/compiler/v3d_compiler.h
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@@ -988,6 +988,7 @@ bool vir_opt_peephole_sf(struct v3d_compile *c);
bool vir_opt_redundant_flags(struct v3d_compile *c);
bool vir_opt_small_immediates(struct v3d_compile *c);
bool vir_opt_vpm(struct v3d_compile *c);
bool vir_opt_constant_alu(struct v3d_compile *c);
void v3d_nir_lower_blend(nir_shader *s, struct v3d_compile *c);
void v3d_nir_lower_io(nir_shader *s, struct v3d_compile *c);
void v3d_nir_lower_line_smooth(nir_shader *shader);