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driver-i386.c (enum vendor_signatures): New enum. 

* config/i386/driver-i386.c (enum vendor_signatures): New enum.
	(host_detect_local_cpu): Use it instead of casted strings to
	compare vendor signatures.

From-SVN: r141579
This commit is contained in:
Uros Bizjak 2008-11-04 14:29:43 +01:00
parent 20358adc34
commit 4d9478234b
2 changed files with 18 additions and 6 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2008-11-04 Uros Bizjak <ubizjak@gmail.com>
* config/i386/driver-i386.c (enum vendor_signatures): New enum.
(host_detect_local_cpu): Use it instead of casted strings to
compare vendor signatures.
2008-11-03 Mikael Pettersson <mikpe@it.uu.se>
PR target/37989
@ -609,8 +615,7 @@
* tree-inline.c (tree_inlinable_function_p): Remove tuples
debugging hack.
* gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from
INTEGER_CSTs.
* gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs.
PR debug/37020
* c-decl.c (merge_decls): Don't call outlining_inline_function hook.

15
gcc/config/i386/driver-i386.c
View File

@ -333,6 +333,13 @@ detect_caches_intel (bool xeon_mp, unsigned max_level, unsigned max_ext_level)
return describe_cache (level1, level2);
}
enum vendor_signatures
{
SIG_INTEL = 0x756e6547 /* Genu */,
SIG_AMD = 0x68747541 /* Auth */,
SIG_GEODE = 0x646f6547 /* Geod */
};
/* This will be called by the spec parser in gcc.c when it sees
a %:local_cpu_detect(args) construct. Currently it will be called
with either "arch" or "tune" as argument depending on if -march=native
@ -415,16 +422,16 @@ const char *host_detect_local_cpu (int argc, const char **argv)
if (!arch)
{
if (vendor == *(const unsigned int*) "Auth")
if (vendor == SIG_AMD)
cache = detect_caches_amd (ext_level);
else if (vendor == *(const unsigned int*) "Genu")
else if (vendor == SIG_INTEL)
{
bool xeon_mp = (family == 15 && model == 6);
cache = detect_caches_intel (xeon_mp, max_level, ext_level);
}
}
if (vendor == *(const unsigned int*) "Auth")
if (vendor == SIG_AMD)
{
processor = PROCESSOR_PENTIUM;
@ -437,7 +444,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
if (has_sse4a)
processor = PROCESSOR_AMDFAM10;
}
else if (vendor == *(const unsigned int*) "Geod")
else if (vendor == SIG_GEODE)
processor = PROCESSOR_GEODE;
else
{