forked from mirrors/nixpkgs
39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
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diff --git a/m4/cpu-check.m4 b/m4/cpu-check.m4
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index 3cf0a7f08..12bb926ac 100644
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--- a/m4/cpu-check.m4
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+++ b/m4/cpu-check.m4
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@@ -37,6 +37,18 @@ if test "$ac_cv_singcpuname" = ppc; then
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AC_DEFINE(SI_CPU_PPC,1,"PPC")
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AC_SUBST(SI_CPU_PPC)
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fi
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+if test "$ac_cv_singcpuname" = arm -o "$ac_cv_singcpuname" = armel; then
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+ AC_DEFINE(SI_CPU_ARM,1,"ARM")
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+ AC_SUBST(SI_CPU_ARM)
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+fi
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+if test "$ac_cv_singcpuname" = aarch64; then
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+ AC_DEFINE(SI_CPU_AARCH64,1,"AARCH64")
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+ AC_SUBST(SI_CPU_AARCH64)
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+fi
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+if test "$ac_cv_singcpuname" = s390; then
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+ AC_DEFINE(SI_CPU_S390,1,"S390")
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+ AC_SUBST(SI_CPU_S390)
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+fi
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# UNAME and PATH
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AC_MSG_CHECKING(uname for Singular)
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@@ -65,6 +77,14 @@ dnl testet on: ppc_Linux, 740/750 PowerMac G3, 512k L2 cache
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[powerpc*|ppc*], [AC_DEFINE(HAVE_GENERIC_MULT,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)],
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dnl the following settings seems to be better on arm processors
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[arm*], [],
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+dnl FIXME: need to run some tests
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+ [aarch64*], [
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+ AC_DEFINE(HAVE_MULT_MOD,1,multiplication is fast on the cpu: a*b is with mod otherwise using tables of logartihms)
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+ AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)
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+ AC_DEFINE(HAVE_DIV_MOD,1,division using extend euclidian algorithm otherwise using tables of logartihms)
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+ ],
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+dnl FIXME: need to run some tests
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+ [s390*], [AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)],
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[]
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)
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