| # HG changeset patch |
| # User Torbjorn Granlund <tege@gmplib.org> |
| # Date 1357413121 -3600 |
| # Node ID 187b7b1646ee0ace782768bb36117b62c8408bb6 |
| # Parent 87a24013e9ee2cabf74e32282c18584a2c669009 |
| (aarch64): Make add_ssaaaa and sub_ddmmss actually work. |
| |
| Taken upstream from http://gmplib.org:8000/gmp/rev/187b7b1646ee. |
| |
| Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
| |
| diff -r 87a24013e9ee -r 187b7b1646ee longlong.h |
| --- a/longlong.h Fri Jan 04 16:32:01 2013 +0100 |
| +++ b/longlong.h Sat Jan 05 20:12:01 2013 +0100 |
| @@ -530,23 +530,16 @@ |
| #endif /* __arm__ */ |
| |
| #if defined (__aarch64__) && W_TYPE_SIZE == 64 |
| +/* FIXME: Extend the immediate range for the low word by using both |
| + ADDS and SUBS, since they set carry in the same way. */ |
| #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ |
| - __asm__ ("adds\t%1, %4, %5\n\tadc\t%0, %2, %3" \ |
| + __asm__ ("adds\t%1, %x4, %5\n\tadc\t%0, %x2, %x3" \ |
| : "=r" (sh), "=&r" (sl) \ |
| - : "r" (ah), "rZ" (bh), "%r" (al), "rI" (bl) __CLOBBER_CC) |
| + : "rZ" (ah), "rZ" (bh), "%r" (al), "rI" (bl) __CLOBBER_CC) |
| #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ |
| - do { \ |
| - if (__builtin_constant_p (bl)) \ |
| - { \ |
| - __asm__ ("subs\t%1, %4, %5\n\tsbc\t%0, %2, %3" \ |
| - : "=r" (sh), "=&r" (sl) \ |
| - : "r" (ah), "r" (bh), "r" (al), "rI" (bl) __CLOBBER_CC); \ |
| - } \ |
| - else /* only bh might be a constant */ \ |
| - __asm__ ("subs\t%1, %4, %5\n\tsbc\t%0, %2, %3" \ |
| - : "=r" (sh), "=&r" (sl) \ |
| - : "r" (ah), "rZ" (bh), "r" (al), "rI" (bl) __CLOBBER_CC);\ |
| - } while (0) |
| + __asm__ ("subs\t%1, %x4, %5\n\tsbc\t%0, %x2, %x3" \ |
| + : "=r,r" (sh), "=&r,&r" (sl) \ |
| + : "rZ,rZ" (ah), "rZ,rZ" (bh), "r,Z" (al), "rI,r" (bl) __CLOBBER_CC) |
| #define umul_ppmm(ph, pl, m0, m1) \ |
| do { \ |
| UDItype __m0 = (m0), __m1 = (m1); \ |
| |
