diff options
| author | Eric Anholt <[email protected]> | 2014-08-25 00:12:21 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2014-09-04 11:39:51 -0700 |
| commit | 55d2a1626219ac041ce05477827b592efa1c7b81 (patch) | |
| tree | 8cd77b31a7e725ff3fd34933dfd481246d5955ad /src/gallium/drivers/vc4/vc4_qir.h | |
| parent | 80b27ca2cd8cd2bb2937baa441c43a396887cc03 (diff) | |
vc4: Add a CSE optimization pass.
Debugging a regression in discard support was just too full of duplicate
instructions, so I decided to remove them instead of re-analyzing each of
them as I dumped their outputs in simulation.
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_qir.h')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qir.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qir.h b/src/gallium/drivers/vc4/vc4_qir.h index 2e210c3bd60..7336a3733de 100644 --- a/src/gallium/drivers/vc4/vc4_qir.h +++ b/src/gallium/drivers/vc4/vc4_qir.h @@ -28,6 +28,7 @@ #include <stdlib.h> #include <stdbool.h> #include <stdint.h> +#include <string.h> #include "util/u_simple_list.h" @@ -227,6 +228,9 @@ struct qreg qir_get_temp(struct qcompile *c); int qir_get_op_nsrc(enum qop qop); bool qir_reg_equals(struct qreg a, struct qreg b); bool qir_has_side_effects(struct qinst *inst); +bool qir_depends_on_flags(struct qinst *inst); +bool qir_writes_r4(struct qinst *inst); +bool qir_reads_r4(struct qinst *inst); void qir_dump(struct qcompile *c); void qir_dump_inst(struct qinst *inst); @@ -235,6 +239,7 @@ const char *qir_get_stage_name(enum qstage stage); void qir_optimize(struct qcompile *c); bool qir_opt_algebraic(struct qcompile *c); bool qir_opt_copy_propagation(struct qcompile *c); +bool qir_opt_cse(struct qcompile *c); bool qir_opt_dead_code(struct qcompile *c); #define QIR_ALU0(name) \ |