| 1 | # Check the cpu type |
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| 2 | |
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| 3 | dnl SING_CHECK_CPU |
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| 4 | dnl |
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| 5 | dnl check the cpu and define EXEC_EXT and SI_CPU* |
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| 6 | |
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| 7 | AC_DEFUN([SING_CHECK_CPU], |
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| 8 | [ |
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| 9 | AC_CANONICAL_HOST |
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| 10 | AC_MSG_CHECKING(CPU for singular) |
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| 11 | |
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| 12 | # CPUUNAME and PATH |
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| 13 | ac_cv_singcpuname=`uname -m` |
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| 14 | AC_MSG_RESULT($ac_cv_singcpuname) |
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| 15 | |
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| 16 | if test "$ac_cv_singcpuname" = i386; then |
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| 17 | AC_DEFINE(SI_CPU_I386,1,"i386") |
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| 18 | AC_SUBST(SI_CPU_I386) |
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| 19 | fi |
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| 20 | if test "$ac_cv_singcpuname" = i686; then |
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| 21 | AC_DEFINE(SI_CPU_I386,1,"i686") |
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| 22 | AC_SUBST(SI_CPU_I386) |
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| 23 | fi |
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| 24 | if test "$ac_cv_singcpuname" = x86_64; then |
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| 25 | AC_DEFINE(SI_CPU_X86_64,1,"x86-64") |
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| 26 | AC_SUBST(SI_CPU_X86_64) |
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| 27 | fi |
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| 28 | if test "$ac_cv_singcpuname" = ia64; then |
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| 29 | AC_DEFINE(SI_CPU_IA64,1,"ia64") |
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| 30 | AC_SUBST(SI_CPU_IA64) |
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| 31 | fi |
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| 32 | if test "$ac_cv_singcpuname" = sparc; then |
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| 33 | AC_DEFINE(SI_CPU_SPARC,1,"SPARC") |
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| 34 | AC_SUBST(SI_CPU_SPARC) |
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| 35 | fi |
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| 36 | if test "$ac_cv_singcpuname" = ppc; then |
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| 37 | AC_DEFINE(SI_CPU_PPC,1,"PPC") |
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| 38 | AC_SUBST(SI_CPU_PPC) |
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| 39 | fi |
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| 40 | |
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| 41 | # UNAME and PATH |
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| 42 | AC_MSG_CHECKING(uname for Singular) |
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| 43 | |
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| 44 | #ac_cv_singuname=`./config.guess` |
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| 45 | ac_cv_singuname=`uname -m`-`uname -s` |
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| 46 | AC_MSG_RESULT($ac_cv_singuname) |
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| 47 | AC_DEFINE_UNQUOTED(S_UNAME, "$ac_cv_singuname", Singular\'s own uname\, believe it or not) |
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| 48 | |
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| 49 | |
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| 50 | AS_CASE([$host_cpu], |
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| 51 | dnl the following settings seems to be better on i386 and x86_64 processors |
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| 52 | [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)], |
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| 53 | dnl the following settings seems to be better on itanium processors |
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| 54 | dnl AC_DEFINE(HAVE_MULT_MOD,1,) |
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| 55 | [ia64*], [AC_DEFINE(HAVE_GENERIC_ADD,1,use branch for addition in Z/p otherwise it uses a generic add)], |
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| 56 | dnl the following settings seems to be better on sparc processors |
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| 57 | [sparc*], [ |
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| 58 | 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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| 59 | AC_DEFINE(HAVE_DIV_MOD,1,division using extend euclidian algorithm otherwise using tables of logartihms) |
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| 60 | ], |
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| 61 | dnl the following settings seems to be better on ppc processors |
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| 62 | dnl testet on: ppc_Linux, 740/750 PowerMac G3, 512k L2 cache |
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| 63 | [powerpc*|ppc*], [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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| 64 | [] |
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| 65 | ) |
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| 66 | |
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| 67 | ]) |
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