diff options
| author | Matt Turner <mattst88@gmail.com> | 2013-04-25 11:03:38 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2013-04-25 18:27:39 -0700 |
| commit | 0c1d87b0d7e2c9f1ae6e838a8fa7f074557e45f0 (patch) | |
| tree | bce1895a19eb8941458a63282fc9456eb73d017c /src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | |
| parent | c0f67a127b0b3e4bb715d1562a82c984d160280e (diff) | |
| download | external_mesa3d-0c1d87b0d7e2c9f1ae6e838a8fa7f074557e45f0.zip external_mesa3d-0c1d87b0d7e2c9f1ae6e838a8fa7f074557e45f0.tar.gz external_mesa3d-0c1d87b0d7e2c9f1ae6e838a8fa7f074557e45f0.tar.bz2 | |
i965/vs: Add support for LRP instruction.
Only 13 affected programs in shader-db, but they were all helped.
total instructions in shared programs: 368877 -> 368851 (-0.01%)
instructions in affected programs: 1576 -> 1550 (-1.65%)
Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp index 51ee475..f2c6cd6 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp @@ -215,6 +215,9 @@ vec4_visitor::try_copy_propagation(struct intel_context *intel, if (has_source_modifiers && !can_do_source_mods(inst)) return false; + if (inst->opcode == BRW_OPCODE_LRP && value.file == UNIFORM) + return false; + /* We can't copy-propagate a UD negation into a condmod * instruction, because the condmod ends up looking at the 33-bit * signed accumulator value instead of the 32-bit value we wanted |