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configure: Tweak/reorg optimization unconditional flags.

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This commit is contained in:
Jason Volk 2019-11-30 18:55:24 -08:00
parent f8090b9ae5
commit 634599287b
1 changed files with 18 additions and 3 deletions
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21
configure.ac
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@ -535,9 +535,6 @@ AM_COND_IF([LTO],
AM_COND_IF([OPTIMIZE], AM_COND_IF([OPTIMIZE],
[ [
optimize="yes" optimize="yes"
CXXFLAGS+=" -fdata-sections"
CXXFLAGS+=" -ffunction-sections"
CXXFLAGS+=" -ftree-vectorize"
AM_COND_IF([GCC], AM_COND_IF([GCC],
[ [
@ -557,6 +554,8 @@ dnl CXXFLAGS+=" -fbtr-bb-exclusive"
CXXFLAGS+=" -fmodulo-sched" CXXFLAGS+=" -fmodulo-sched"
CXXFLAGS+=" -fmodulo-sched-allow-regmoves" CXXFLAGS+=" -fmodulo-sched-allow-regmoves"
CXXFLAGS+=" -ftracer" CXXFLAGS+=" -ftracer"
CXXFLAGS+=" -ftree-loop-im"
CXXFLAGS+=" -ftree-switch-conversion"
dnl Optimization options that aren't compatible with debugging. dnl Optimization options that aren't compatible with debugging.
AM_COND_IF([DEBUG], [], AM_COND_IF([DEBUG], [],
@ -566,10 +565,26 @@ dnl CXXFLAGS+=" -fbtr-bb-exclusive"
]) ])
], [ ], [
optimize="no" optimize="no"
dnl Optimization options we enable in non-optimized mode. These will be enabled
dnl in non-optimized mode as well as optimized mode so they are as similar as
dnl possible without impacting debuggability.
CXXFLAGS+=" -falign-functions" CXXFLAGS+=" -falign-functions"
CXXFLAGS+=" -falign-labels" CXXFLAGS+=" -falign-labels"
CXXFLAGS+=" -falign-loops" CXXFLAGS+=" -falign-loops"
CXXFLAGS+=" -falign-jumps" CXXFLAGS+=" -falign-jumps"
dnl CXXFLAGS+=" -fdata-sections"
dnl CXXFLAGS+=" -ffunction-sections"
CXXFLAGS+=" -ftree-vectorize"
AM_COND_IF([GCC],
[
CXXFLAGS+=" -ftree-vrp"
CXXFLAGS+=" -ftree-dce"
CXXFLAGS+=" -ftree-dse"
CXXFLAGS+=" -ftree-loop-im"
CXXFLAGS+=" -ftree-switch-conversion"
])
]) ])
dnl dnl