The MIPS port for GCC-4.4 no longer recognizes the h asm constraint. Patch from: https://forum.openwrt.org/viewtopic.php?id=20520 --- libgcrypt/mpi/longlong.h-asdf 2009-08-04 09:58:51.000000000 +0930 +++ libgcrypt/mpi/longlong.h 2009-08-04 10:10:27.000000000 +0930 @@ -710,18 +710,35 @@ #endif /* __m88110__ */ #endif /* __m88000__ */ +/* Test for gcc >= maj.min, as per __GNUC_PREREQ in glibc */ +#if defined (__GNUC__) && defined (__GNUC_MINOR__) +#define __GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +#else +#define __GNUC_PREREQ(maj, min) 0 +#endif + /*************************************** ************** MIPS ***************** ***************************************/ #if defined (__mips__) && W_TYPE_SIZE == 32 -#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7 +#if __GNUC_PREREQ (4,4) +#define umul_ppmm(w1, w0, u, v) \ + do { \ + UDItype __ll = (UDItype)(u) * (v); \ + w1 = __ll >> 32; \ + w0 = __ll; \ + } while (0) +#endif +#if !defined (umul_ppmm) && __GNUC_PREREQ (2,7) #define umul_ppmm(w1, w0, u, v) \ __asm__ ("multu %2,%3" \ : "=l" ((USItype)(w0)), \ "=h" ((USItype)(w1)) \ : "d" ((USItype)(u)), \ "d" ((USItype)(v))) -#else +#endif +#if !defined (umul_ppmm) #define umul_ppmm(w1, w0, u, v) \ __asm__ ("multu %2,%3 \n" \ "mflo %0 \n" \ @@ -739,14 +756,24 @@ ************** MIPS/64 ************** ***************************************/ #if (defined (__mips) && __mips >= 3) && W_TYPE_SIZE == 64 -#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7 +#if __GNUC_PREREQ (4,4) +#define umul_ppmm(w1, w0, u, v) \ + do { \ + typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \ + __ll_UTItype __ll = (__ll_UTItype)(u) * (v); \ + w1 = __ll >> 64; \ + w0 = __ll; \ + } while (0) +#endif +#if !defined (umul_ppmm) && __GNUC_PREREQ (2,7) #define umul_ppmm(w1, w0, u, v) \ __asm__ ("dmultu %2,%3" \ : "=l" ((UDItype)(w0)), \ "=h" ((UDItype)(w1)) \ : "d" ((UDItype)(u)), \ "d" ((UDItype)(v))) -#else +#endif +#if !defined (umul_ppmm) #define umul_ppmm(w1, w0, u, v) \ __asm__ ("dmultu %2,%3 \n" \ "mflo %0 \n" \