From 88ad8c7dedb87d92a5bed0868f108076185ec089 Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Thu, 26 May 2016 16:34:02 -0700 Subject: [PATCH] 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 Reviewed-by: Ian Romanick --- configure.ac | 6 ------ 1 file changed, 6 deletions(-) diff --git a/configure.ac b/configure.ac index 7d1a9bb..aea5890 100644 --- a/configure.ac +++ b/configure.ac @@ -300,9 +300,6 @@ if test "x$GCC" = xyes; then # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed. CFLAGS=$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 @@ if test "x$GXX" = xyes; then # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed. CXXFLAGS=$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 -- 2.7.4