mesa: Drop -fno-strict-aliasing.
Improves performance of OglBatch7 by 4.06851% +/- 1.17925% (n=169) on
Haswell, and cuts ~18k of .text:
text data bss dec hex filename
5824627 287816 29384 6141827 5db783 before/i965_dri.so
5806354 287816 29384 6123554 5d7022 after/i965_dri.so
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
diff --git a/configure.ac b/configure.ac
index 7d1a9bb..aea5890 100644
--- a/configure.ac
+++ b/configure.ac
@@ -300,9 +300,6 @@
# Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
CFLAGS=$save_CFLAGS
- # Work around aliasing bugs - developers should comment this out
- CFLAGS="$CFLAGS -fno-strict-aliasing"
-
# We don't want floating-point math functions to set errno or trap
CFLAGS="$CFLAGS -fno-math-errno -fno-trapping-math"
@@ -342,9 +339,6 @@
# Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
CXXFLAGS=$save_CXXFLAGS
- # Work around aliasing bugs - developers should comment this out
- CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
-
# We don't want floating-point math functions to set errno or trap
CXXFLAGS="$CXXFLAGS -fno-math-errno -fno-trapping-math"
fi