diff options
| author | Eric Anholt <[email protected]> | 2015-03-30 10:44:28 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2015-03-30 12:57:45 -0700 |
| commit | 1dcc1ee314a6907213e2abd5337ec0bbba3bd1bf (patch) | |
| tree | fdf9cb0e241771057263c3dd8e9a711c698f7d4e /src | |
| parent | 8c5dcdbccb68b73d2856d9c1faafadc536e682e3 (diff) | |
vc4: Drop integer multiplies with 0 to moves of 0.
This cleans up more instructions generated by uniform array indexing
multiplies.
total instructions in shared programs: 39989 -> 39961 (-0.07%)
instructions in affected programs: 896 -> 868 (-3.12%)
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_opt_algebraic.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_opt_algebraic.c b/src/gallium/drivers/vc4/vc4_opt_algebraic.c index d17669abaff..e40e0f3b71b 100644 --- a/src/gallium/drivers/vc4/vc4_opt_algebraic.c +++ b/src/gallium/drivers/vc4/vc4_opt_algebraic.c @@ -248,6 +248,14 @@ qir_opt_algebraic(struct vc4_compile *c) } break; + case QOP_MUL24: + if (replace_x_0_with_0(c, inst, 0) || + replace_x_0_with_0(c, inst, 1)) { + progress = true; + break; + } + break; + case QOP_AND: if (replace_x_0_with_0(c, inst, 0) || replace_x_0_with_0(c, inst, 1)) { |