Changeset 458174a in git for m4/cpu-check.m4

Timestamp:

May 2, 2018, 10:45:42 AM (6 years ago)

Author:

Karim Abou Zeid <karim23697@…>

Branches:

(u'spielwiese', 'a719bcf0b8dbc648b128303a49777a094b57592c')

Children:

0f987ab443ee33e628ea90f02a2fddfb9d8fa497

Parents:

75def9c8a4972706cb710a11c07681ad43676aed2ba25ee7ea3c483c73847576db73cb6464bc67ba

Message:

Merge branch 'spielwiese' into stable

File:

• m4/cpu-check.m4 (modified) (1 diff)

m4/cpu-check.m4

@@ -49 +49 @@
 
 AS_CASE([$host_cpu],
+dnl the following settings seems to be better on itanium processors
+  [ia64*], [
+      AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)],
 dnl the following settings seems to be better on i386 and x86_64 processors
-  [i*86*|x86_64*], [AC_DEFINE(HAVE_MULT_MOD,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)],
-dnl the following settings seems to be better on itanium processors
-dnl AC_DEFINE(HAVE_MULT_MOD,1,)
-  [ia64*], [AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)],
+dnl AC_DEFINE(HAVE_GENERIC_MULT,1,)
+  [i*86*|x86_64*], [
+            AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)
+            AC_DEFINE(HAVE_GENERIC_MULT,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)
+            ],
 dnl the following settings seems to be better on sparc processors
   [sparc*], [
-            AC_DEFINE(HAVE_MULT_MOD,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)
-            AC_DEFINE(HAVE_DIV_MOD,1,division using extend euclidian algorithm otherwise using tables of logartihms)
+            AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)
             ],
 dnl the following settings seems to be better on ppc processors
 dnl testet on: ppc_Linux, 740/750 PowerMac G3, 512k L2 cache
-  [powerpc*|ppc*], [AC_DEFINE(HAVE_MULT_MOD,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)],
+  [powerpc*|yyppc*], [AC_DEFINE(HAVE_GENERIC_MULT,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)],
   []
 )