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Ensure that last optimisation level set overrides any previous levels. 

From-SVN: r24347
This commit is contained in:
Nick Clifton 1998-12-16 17:34:48 +00:00 committed by Nick Clifton
parent f868ca8f89
commit 16b6e12048
2 changed files with 17 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
* toplev.c (main): Disable optimize_size if a specific
optimization level is requested. Always set optimization
level to 2 if -Os is specified.
Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
* objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with

17
gcc/toplev.c
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@ -4556,6 +4556,7 @@ main (argc, argv)
if (!strcmp (argv[i], "-O"))
{
optimize = 1;
optimize_size = 0;
}
else if (argv[i][0] == '-' && argv[i][1] == 'O')
{
@ -4564,22 +4565,26 @@ main (argc, argv)
int c;
if ((p[0] == 's') && (p[1] == 0))
optimize_size = 1;
{
optimize_size = 1;
/* Optimizing for size forces optimize to be 2. */
optimize = 2;
}
else
{
while ((c = *p++))
if (! (c >= '0' && c <= '9'))
break;
if (c == 0)
optimize = atoi (&argv[i][2]);
{
optimize = atoi (&argv[i][2]);
optimize_size = 0;
}
}
}
}
/* Optimizing for size forces optimize to be no less than 2. */
if (optimize_size && (optimize < 2))
optimize = 2;
obey_regdecls = (optimize == 0);
if (optimize >= 1)