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| author | Peter Maydell <peter.maydell@linaro.org> | 2018-11-05 10:32:49 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-11-05 10:32:49 +0000 |
| commit | b2f7a038bb4c4fc5ce6b8486e8513dfd97665e2a (patch) | |
| tree | 5e16d64060c9341aba4725eea253d53ba1b969ab | |
| parent | 7d56239f159afc2e7bd42623947e56ba48f37836 (diff) | |
| parent | 7370981bd1ef58b3c20ba8b83cc342d1c61bc773 (diff) | |
Merge remote-tracking branch 'remotes/rth/tags/pull-softfloat-20181104' into staging
Only use divdeu insn with Power7 and later.
# gpg: Signature made Sun 04 Nov 2018 10:05:50 GMT
# gpg: using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth/tags/pull-softfloat-20181104:
softfloat: Don't execute divdeu without power7
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | include/fpu/softfloat-macros.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/fpu/softfloat-macros.h b/include/fpu/softfloat-macros.h index c86687fa5e..b1d772e6d4 100644 --- a/include/fpu/softfloat-macros.h +++ b/include/fpu/softfloat-macros.h @@ -647,8 +647,8 @@ static inline uint64_t udiv_qrnnd(uint64_t *r, uint64_t n1, asm("dlgr %0, %1" : "+r"(n) : "r"(d)); *r = n >> 64; return n; -#elif defined(_ARCH_PPC64) - /* From Power ISA 3.0B, programming note for divdeu. */ +#elif defined(_ARCH_PPC64) && defined(_ARCH_PWR7) + /* From Power ISA 2.06, programming note for divdeu. */ uint64_t q1, q2, Q, r1, r2, R; asm("divdeu %0,%2,%4; divdu %1,%3,%4" : "=&r"(q1), "=r"(q2) |