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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@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Kenneth Graunke 2014-12-31 16:47:25 -08:00
parent 61711316f5
commit 9b8bd67768
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/mesa/drivers/dri/i965/brw_vec4.cpp
View File

@ -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)