i386.c (override_options): Pick a 64-bit CPU for the default tuning if TARGET_64BIT.
* config/i386/i386.c (override_options): Pick a 64-bit CPU for the default tuning if TARGET_64BIT. From-SVN: r84470
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@ -1,3 +1,8 @@
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2004-07-10 Daniel Jacobowitz <dan@debian.org>
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* config/i386/i386.c (override_options): Pick a 64-bit CPU
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for the default tuning if TARGET_64BIT.
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2004-07-10 Richard Henderson <rth@redhat.com>
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* builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
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@ -1097,6 +1097,8 @@ void
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override_options (void)
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{
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int i;
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int ix86_tune_defaulted = 0;
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/* Comes from final.c -- no real reason to change it. */
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#define MAX_CODE_ALIGN 16
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@ -1221,7 +1223,10 @@ override_options (void)
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if (!ix86_tune_string && ix86_arch_string)
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ix86_tune_string = ix86_arch_string;
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if (!ix86_tune_string)
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ix86_tune_string = cpu_names [TARGET_CPU_DEFAULT];
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{
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ix86_tune_string = cpu_names [TARGET_CPU_DEFAULT];
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ix86_tune_defaulted = 1;
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}
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if (!ix86_arch_string)
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ix86_arch_string = TARGET_64BIT ? "x86-64" : "i386";
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@ -1293,7 +1298,20 @@ override_options (void)
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if (processor_alias_table[i].flags & PTA_PREFETCH_SSE)
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x86_prefetch_sse = true;
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if (TARGET_64BIT && !(processor_alias_table[i].flags & PTA_64BIT))
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error ("CPU you selected does not support x86-64 instruction set");
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{
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if (ix86_tune_defaulted)
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{
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ix86_tune_string = "x86-64";
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for (i = 0; i < pta_size; i++)
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if (! strcmp (ix86_tune_string,
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processor_alias_table[i].name))
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break;
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ix86_tune = processor_alias_table[i].processor;
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}
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else
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error ("CPU you selected does not support x86-64 "
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"instruction set");
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}
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break;
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}
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