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| author | Torbjorn Granlund <tg@gmplib.org> | 2019-09-14 13:10:36 +0200 |
|---|---|---|
| committer | Torbjorn Granlund <tg@gmplib.org> | 2019-09-14 13:10:36 +0200 |
| commit | 0062d31e4706d8809931d77c40701cf6b1b6321d (patch) | |
| tree | a6d6813a0328b195302e17e2b398050f03fc3aba | |
| parent | 7ebff8488ed9fd4ad8ca79f711ef673fd0973750 (diff) | |
| download | gmp-0062d31e4706d8809931d77c40701cf6b1b6321d.tar.gz | |
(x86 umul_ppmm): Test also X86_ASM_MULX for when to use mulx variant.
| -rw-r--r-- | longlong.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/longlong.h b/longlong.h index 7624d6709..389c735b9 100644 --- a/longlong.h +++ b/longlong.h @@ -1058,8 +1058,9 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype); : "=r" (sh), "=&r" (sl) \ : "0" ((UDItype)(ah)), "rme" ((UDItype)(bh)), \ "1" ((UDItype)(al)), "rme" ((UDItype)(bl))) -#if HAVE_HOST_CPU_haswell || HAVE_HOST_CPU_broadwell || HAVE_HOST_CPU_skylake \ - || HAVE_HOST_CPU_bd4 || HAVE_HOST_CPU_zen +#if X86_ASM_MULX + && (HAVE_HOST_CPU_haswell || HAVE_HOST_CPU_broadwell + || HAVE_HOST_CPU_skylake || HAVE_HOST_CPU_bd4 || HAVE_HOST_CPU_zen) #define umul_ppmm(w1, w0, u, v) \ __asm__ ("mulx\t%3, %0, %1" \ : "=r" (w0), "=r" (w1) \ |