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(override_options) Make the default alignment 4 for 486

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From-SVN: r13739
This commit is contained in:
Stan Cox 1997-03-18 22:02:36 +00:00
parent 33c1d53aec
commit d4e2f547d8
1 changed files with 4 additions and 1 deletions
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5
gcc/config/i386/i386.c
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@ -279,7 +279,10 @@ override_options ()
fatal ("-mregparm=%d is not between 0 and %d", i386_regparm, REGPARM_MAX);
}
def_align = (TARGET_386) ? 2 : 4;
/* The 486 suffers more from non-aligned cache line fills, and the larger code
size results in a larger cache foot-print and more misses. The 486 has a
16 byte cache line, pentium and pentiumpro have a 32 byte cache line */
def_align = (TARGET_486) ? 4 : 2;
/* Validate -malign-loops= value, or provide default */
if (i386_align_loops_string)