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i386.c (override_options): Pick a 64-bit CPU for the default tuning if TARGET_64BIT.

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* config/i386/i386.c (override_options): Pick a 64-bit CPU
	for the default tuning if TARGET_64BIT.

From-SVN: r84470
This commit is contained in:
Daniel Jacobowitz 2004-07-10 19:01:40 +00:00 committed by Daniel Jacobowitz
parent 07b8df0a3d
commit 3326f4101a
2 changed files with 25 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-07-10 Daniel Jacobowitz <dan@debian.org>
* config/i386/i386.c (override_options): Pick a 64-bit CPU
for the default tuning if TARGET_64BIT.
2004-07-10 Richard Henderson <rth@redhat.com>
* builtins.c (std_gimplify_va_arg_expr): Widen align/boundary

22
gcc/config/i386/i386.c
View File

@ -1097,6 +1097,8 @@ void
override_options (void)
{
int i;
int ix86_tune_defaulted = 0;
/* Comes from final.c -- no real reason to change it. */
#define MAX_CODE_ALIGN 16
@ -1221,7 +1223,10 @@ override_options (void)
if (!ix86_tune_string && ix86_arch_string)
ix86_tune_string = ix86_arch_string;
if (!ix86_tune_string)
ix86_tune_string = cpu_names [TARGET_CPU_DEFAULT];
{
ix86_tune_string = cpu_names [TARGET_CPU_DEFAULT];
ix86_tune_defaulted = 1;
}
if (!ix86_arch_string)
ix86_arch_string = TARGET_64BIT ? "x86-64" : "i386";
@ -1293,7 +1298,20 @@ override_options (void)
if (processor_alias_table[i].flags & PTA_PREFETCH_SSE)
x86_prefetch_sse = true;
if (TARGET_64BIT && !(processor_alias_table[i].flags & PTA_64BIT))
error ("CPU you selected does not support x86-64 instruction set");
{
if (ix86_tune_defaulted)
{
ix86_tune_string = "x86-64";
for (i = 0; i < pta_size; i++)
if (! strcmp (ix86_tune_string,
processor_alias_table[i].name))
break;
ix86_tune = processor_alias_table[i].processor;
}
else
error ("CPU you selected does not support x86-64 "
"instruction set");
}
break;
}