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| author | Kaz Kylheku <kaz@kylheku.com> | 2012-04-09 09:04:31 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2012-04-09 09:04:31 -0700 |
| commit | 405e7884dd00bfdac508d93851d898b5f7d5e4e1 (patch) | |
| tree | 4017912bd763d3d750de4ea5b391ee45d8a28db6 /mpi-patches/add-mp-hash | |
| parent | 1928aa26ceab8601049565a9064d68ff76dc25c3 (diff) | |
| download | txr-405e7884dd00bfdac508d93851d898b5f7d5e4e1.tar.gz txr-405e7884dd00bfdac508d93851d898b5f7d5e4e1.tar.bz2 txr-405e7884dd00bfdac508d93851d898b5f7d5e4e1.zip | |
* mpi-patches/add-mp-hash (mp_hash): Fix incorrect
code on platforms where mp_digit is smaller than long.
This was left shifting a mp_digit by MP_DIGIT_BIT.
It was found by compiling on NetBSD with a gcc 4.1.3
which has a broken__int128_t, forcing us to use 32 bit
mp_digit with a 64 bit mp_word.
Diffstat (limited to 'mpi-patches/add-mp-hash')
| -rw-r--r-- | mpi-patches/add-mp-hash | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mpi-patches/add-mp-hash b/mpi-patches/add-mp-hash index 63b137e9..bd5e9bfa 100644 --- a/mpi-patches/add-mp-hash +++ b/mpi-patches/add-mp-hash @@ -1,7 +1,7 @@ Index: mpi-1.8.6/mpi.c =================================================================== ---- mpi-1.8.6.orig/mpi.c 2012-03-04 08:51:51.607484757 -0800 -+++ mpi-1.8.6/mpi.c 2012-03-04 11:49:32.456841257 -0800 +--- mpi-1.8.6.orig/mpi.c 2012-04-05 16:26:22.206340007 -0700 ++++ mpi-1.8.6/mpi.c 2012-04-09 08:59:09.673643507 -0700 @@ -1960,6 +1960,34 @@ /* }}} */ @@ -13,8 +13,8 @@ Index: mpi-1.8.6/mpi.c + int ix; + + if (USED(a) >= 2 * SIZEOF_LONG / MP_DIGIT_SIZE) { -+ mp_digit omega = 0; -+ mp_digit alpha = 0; ++ unsigned long omega = 0; ++ unsigned long alpha = 0; + for (ix = 0; ix < SIZEOF_LONG / MP_DIGIT_SIZE; ix++) + omega = (omega << MP_DIGIT_BIT) | DIGIT(a, ix); + for (ix = USED(a) - SIZEOF_LONG / MP_DIGIT_SIZE; ix < USED(a); ix++) @@ -39,8 +39,8 @@ Index: mpi-1.8.6/mpi.c Index: mpi-1.8.6/mpi.h =================================================================== ---- mpi-1.8.6.orig/mpi.h 2012-03-04 08:51:51.607484757 -0800 -+++ mpi-1.8.6/mpi.h 2012-03-04 11:49:32.196695007 -0800 +--- mpi-1.8.6.orig/mpi.h 2012-04-05 16:26:22.206340007 -0700 ++++ mpi-1.8.6/mpi.h 2012-04-09 08:58:17.100087507 -0700 @@ -165,6 +165,8 @@ int mp_isodd(mp_int *a); int mp_iseven(mp_int *a); |