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| author | Torbjorn Granlund <tege@gmplib.org> | 2013-01-05 20:12:01 +0100 |
|---|---|---|
| committer | Torbjorn Granlund <tege@gmplib.org> | 2013-01-05 20:12:01 +0100 |
| commit | 2606c0a303b5bf7c8d297769950c8bc159a8d677 (patch) | |
| tree | 0941fade326906894eba77ec46854ea8f3451327 /longlong.h | |
| parent | 12b101e46046995dec4f16907b838f63528f8b2a (diff) | |
| download | gmp-2606c0a303b5bf7c8d297769950c8bc159a8d677.tar.gz | |
(aarch64): Make add_ssaaaa and sub_ddmmss actually work.
Diffstat (limited to 'longlong.h')
| -rw-r--r-- | longlong.h | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/longlong.h b/longlong.h index 6df3c5f1a..211d80d6b 100644 --- a/longlong.h +++ b/longlong.h @@ -530,23 +530,16 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype); #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); \ |