X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/77c6875da08eb632e94569d56ed38b001436040e..44039849440cb2435ccb956c06b82ac4ee1b8ee6:/acmacro/gras_arch.m4 diff --git a/acmacro/gras_arch.m4 b/acmacro/gras_arch.m4 index 8ada131e80..e65526f105 100644 --- a/acmacro/gras_arch.m4 +++ b/acmacro/gras_arch.m4 @@ -114,7 +114,7 @@ AC_DEFUN([GRAS_STRUCT_BOUNDARY], AC_MSG_CHECKING(for the minimal structure boundary of $1) AC_CACHE_VAL(GRAS_STRUCT_BOUNDARY_RES, - [for ac_size in 1 2 4 8 16 32 64 ; do # List sizes in rough order of prevalence. + [for ac_size in 1 2 4 8 16 32 64 3 ; do # List sizes in rough order of prevalence. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include "confdefs.h" #include struct s { char c; $1 i; }; @@ -176,14 +176,23 @@ trace="${trace}_D:4/${ac_cv_struct_boundary_float}:8/${ac_cv_struct_boundary_dou # sizeof float/double are not tested since IEEE 754 is assumed. # Check README.IEEE for rational. + +# The numbers after the _ in the arch name are the maximal packing boundary. +# big32_2 means that all data are aligned on a 2 bytes boundary. (ARM) +# big32_8_4 means that some or them are aligned on 8 bytes, some are on 4 bytes (AIX) case $trace in - l_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=0; gras_arch_name=little32;; - l_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8:) gras_arch=1; gras_arch_name=little64;; - B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8:) gras_arch=2; gras_arch_name=big32;; - B_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8:) gras_arch=3; gras_arch_name=big64;; - B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=4; gras_arch_name=aix;; - B_C:1/1:_I:2/2:4/2:4/2:8/2:_P:4/2:4/2:_D:4/2:8/2:) gras_arch=5; gras_arch_name=arm;; - l_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8:) gras_arch=6; gras_arch_name=win32;; + l_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8:) gras_arch=0; gras_arch_name=little32;; + l_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=1; gras_arch_name=little32_4;; + + l_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8:) gras_arch=2; gras_arch_name=little64;; + + B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8:) gras_arch=3; gras_arch_name=big32;; + B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=4; gras_arch_name=big32_8_4;; + B_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=5; gras_arch_name=big32_4;; + B_C:1/1:_I:2/2:4/2:4/2:8/2:_P:4/2:4/2:_D:4/2:8/2:) gras_arch=6; gras_arch_name=big32_2;; + + B_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8:) gras_arch=7; gras_arch_name=big64;; + B_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/4:) gras_arch=8; gras_arch_name=big64_8_4;; esac if test x$gras_arch = xunknown ; then AC_MSG_RESULT([damnit ($trace)])