Hello, Please review && apply attached patch.
Jean-Mickael
>From f317d77e262dda0d835ae910c615b9b94773b433 Mon Sep 17 00:00:00 2001 From: Jean-Mickael Guerin <jean-mickael.gue...@6wind.com> Date: Wed, 29 Aug 2012 21:18:01 +0200 Subject: [PATCH] bn: fix mips "impossible constraint in 'asm'" with gcc >= 4.4 The MIPS port for GCC-4.4 no longer recognizes the h asm constraint. bn_div.c: In function 'BN_div': bn_div.c:377: error: impossible constraint in 'asm' make[5]: *** [bn_div.o] Error 1 See http://gcc.gnu.org/gcc-4.4/changes.html Signed-off-by: Jean-Mickael Guerin <jean-mickael.gue...@6wind.com> --- crypto/bn/bn_lcl.h | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/crypto/bn/bn_lcl.h b/crypto/bn/bn_lcl.h index 74cea91..360bbf6 100644 --- a/crypto/bn/bn_lcl.h +++ b/crypto/bn/bn_lcl.h @@ -306,10 +306,24 @@ extern "C" { : "=h"(ret) \ : "r"(a), "r"(b) : "l"); \ ret; }) +#if defined(__GNUC__) && __GNUC_PREREQ (4,4) +/* + * The MIPS port for GCC-4.4 no longer recognizes the h asm constraint. + * See http://gcc.gnu.org/gcc-4.4/changes.html + */ +# define BN_UMULT_LOHI(low,high,a,b) \ + ({ \ + typedef unsigned int uint128_t __attribute__((mode(TI))); \ + uint128_t __ll = (uint128_t)(a) * (b); \ + high= __ll >> 64; \ + low= __ll; \ + }) +#else # define BN_UMULT_LOHI(low,high,a,b) \ asm ("dmultu %2,%3" \ : "=l"(low),"=h"(high) \ : "r"(a), "r"(b)); +#endif # endif # endif /* cpu */ #endif /* OPENSSL_NO_ASM */ -- 1.7.3.2
