diff options
| author | obrien <obrien@FreeBSD.org> | 2001-08-16 06:05:18 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2001-08-16 06:05:18 +0000 |
| commit | cd3f3aab8e337abe90764fb04a24c977624fdecd (patch) | |
| tree | 025a5ff5558a3dc152596f4912bf98e8b818132e /contrib/gcc | |
| parent | cd8f761f0ab2cc4e533f738ed4bcf1712cb5b6ce (diff) | |
| download | FreeBSD-src-cd3f3aab8e337abe90764fb04a24c977624fdecd.zip FreeBSD-src-cd3f3aab8e337abe90764fb04a24c977624fdecd.tar.gz | |
Add the `WANT_FORCE_OPTIMIZATION_DOWNGRADE' knob. If set to an integer
value, it forces GCC to not optimize above this level. For intance, GCC
made with "WANT_FORCE_OPTIMIZATION_DOWNGRADE=1" is a good setting for the
Alpha platform when building ports.
Diffstat (limited to 'contrib/gcc')
| -rw-r--r-- | contrib/gcc/toplev.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/contrib/gcc/toplev.c b/contrib/gcc/toplev.c index 95835bb..e9d8886 100644 --- a/contrib/gcc/toplev.c +++ b/contrib/gcc/toplev.c @@ -4851,17 +4851,22 @@ main (argc, argv) if (optimize_val != -1) { optimize = optimize_val; -#ifdef __alpha__ +#ifdef FORCE_OPTIMIZATION_DOWNGRADE +#warning FORCE_OPTIMIZATION_DOWNGRADE + if (optimize > FORCE_OPTIMIZATION_DOWNGRADE) + { + optimize = FORCE_OPTIMIZATION_DOWNGRADE; + warning ("\n***\n***\t-O%d converted to \"-O%d\" due to optimizer bugs on this platform\n***\n", + optimize_val, + FORCE_OPTIMIZATION_DOWNGRADE); + + } +#endif /*FORCE_OPTIMIZATION_DOWNGRADE*/ +#if defined(__alpha__) if (optimize > 1) { - #ifdef FORCE_OPTIMIZATION_DOWNGRADE - optimize = 1; - warning ("\n***\n***\t-O%d converted to \"-O1\" due to optimizer bugs on this platform\n***\n", - optimize_val); - #else warning ("\n***\n***\tThe -O%d flag TRIGGERS KNOWN OPTIMIZER BUGS ON THIS PLATFORM\n***\n", optimize_val); - #endif } #endif /*__alpha__*/ optimize_size = 0; |
