Mesa (master): i965: Show opt_vector_float() and later passes in INTEL_DEBUG=optimizer.
Kenneth Graunke
kwg at kemper.freedesktop.org
Sat Jan 3 09:45:39 UTC 2015
Module: Mesa
Branch: master
Commit: 9b8bd67768769b685c25e1276e053505aede5f93
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b8bd67768769b685c25e1276e053505aede5f93
Author: Kenneth Graunke <kenneth at whitecape.org>
Date: Wed Dec 31 16:47:25 2014 -0800
i965: Show opt_vector_float() and later passes in INTEL_DEBUG=optimizer.
In order to support calling opt_vector_float() inside a condition, this
patch makes OPT() a statement expression:
https://gcc.gnu.org/onlinedocs/gcc/Statement-Exprs.html
We've used that elsewhere already.
Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Matt Turner <mattst88 at gmail.com>
---
src/mesa/drivers/dri/i965/brw_vec4.cpp | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index f389392..79368a7 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -1758,7 +1758,7 @@ vec4_visitor::run()
const char *stage_name = stage == MESA_SHADER_GEOMETRY ? "gs" : "vs";
-#define OPT(pass, args...) do { \
+#define OPT(pass, args...) ({ \
pass_num++; \
bool this_progress = pass(args); \
\
@@ -1771,7 +1771,8 @@ vec4_visitor::run()
} \
\
progress = progress || this_progress; \
- } while (false)
+ this_progress; \
+ })
if (unlikely(INTEL_DEBUG & DEBUG_OPTIMIZER)) {
@@ -1784,10 +1785,11 @@ vec4_visitor::run()
bool progress;
int iteration = 0;
+ int pass_num = 0;
do {
progress = false;
+ pass_num = 0;
iteration++;
- int pass_num = 0;
OPT(opt_reduce_swizzle);
OPT(dead_code_eliminate);
@@ -1798,11 +1800,13 @@ vec4_visitor::run()
OPT(opt_register_coalesce);
} while (progress);
- if (opt_vector_float()) {
- opt_cse();
- opt_copy_propagation(false);
- opt_copy_propagation(true);
- dead_code_eliminate();
+ pass_num = 0;
+
+ if (OPT(opt_vector_float)) {
+ OPT(opt_cse);
+ OPT(opt_copy_propagation, false);
+ OPT(opt_copy_propagation, true);
+ OPT(dead_code_eliminate);
}
if (failed)
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