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driver-i386.c (host_detect_local_cpu): Set PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.

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* config/i386/driver-i386.c (host_detect_local_cpu): Set
	PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
	<case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
	signature_CENTAUR_ebx.

From-SVN: r237741
This commit is contained in:
Jocelyn Mayer 2016-06-23 20:06:43 +02:00 • committed by Uros Bizjak
parent f6d1b868c1
commit a239d46051
2 changed files with 23 additions and 7 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2016-06-23 Jocelyn Mayer <l_indien@magic.fr>
* config/i386/driver-i386.c (host_detect_local_cpu): Set
PROCESSOR_PENTIUMPRO for signature_CENTAUR_ebx family >= 9.
<case PROCESSOR_PENTIMUMPRO>: Pass c7 or nehemiah for
signature_CENTAUR_ebx.
2016-06-23 H.J. Lu <hongjiu.lu@intel.com>
PR target/66232

23
gcc/config/i386/driver-i386.c
View file

@ -653,10 +653,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
case 6:
if (has_longmode)
processor = PROCESSOR_K8;
else if (model > 9)
/* Use the default detection procedure. */
;
else if (model == 9)
else if (model >= 9)
processor = PROCESSOR_PENTIUMPRO;
else if (model >= 6)
processor = PROCESSOR_I486;
@ -818,15 +815,27 @@ const char *host_detect_local_cpu (int argc, const char **argv)
as all the CPUs below are 32-bit only. */
cpu = "x86-64";
else if (has_sse3)
/* It is Core Duo. */
cpu = "pentium-m";
{
if (vendor == signature_CENTAUR_ebx)
/* C7 / Eden "Esther" */
cpu = "c7";
else
/* It is Core Duo. */
cpu = "pentium-m";
}
else if (has_sse2)
/* It is Pentium M. */
cpu = "pentium-m";
else if (has_sse)
{
if (vendor == signature_CENTAUR_ebx)
cpu = "c3-2";
{
if (model >= 9)
/* Eden "Nehemiah" */
cpu = "nehemiah";
else
cpu = "c3-2";
}
else
/* It is Pentium III. */
cpu = "pentium3";