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Change gcc to assume a default machine architecture of 486 instead of 386

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on "i386".  Doing it in the compiler is deemed to be less fragile then
attempting to provide a default -march setting via bsd.cpu.mk.  FreeBSD
itself has not supported plain 386 CPUs since 5.x.

Suggested by:	kan
Requested by:	rdivacky
MFC after:	1 month
This commit is contained in:
John Baldwin 2009-10-21 19:26:12 +00:00
parent fa630f3569
commit 22239c9dc4
1 changed files with 1 additions and 1 deletions
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2
contrib/gcc/config/i386/i386.c
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@ -1614,7 +1614,7 @@ override_options (void)
"-mtune=generic instead as appropriate.");
if (!ix86_arch_string)
ix86_arch_string = TARGET_64BIT ? "x86-64" : "i386";
ix86_arch_string = TARGET_64BIT ? "x86-64" : "i486";
if (!strcmp (ix86_arch_string, "generic"))
error ("generic CPU can be used only for -mtune= switch");
if (!strncmp (ix86_arch_string, "generic", 7))