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[PATCH] factor: improve support on RISCV and loongson
From: |
Pádraig Brady |
Subject: |
[PATCH] factor: improve support on RISCV and loongson |
Date: |
Mon, 4 Apr 2022 13:44:06 +0100 |
* src/longlong.h: Pull in RISCV fix and loongarch64 support from
https://gmplib.org/repo/gmp/log/tip/longlong.h
---
src/longlong.h | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/longlong.h b/src/longlong.h
index 279e6a7b3..6e279b466 100644
--- a/src/longlong.h
+++ b/src/longlong.h
@@ -1142,6 +1142,17 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype,
UWtype, UWtype);
#endif /* i960mx */
#endif /* i960 */
+
+#if defined (__loongarch64) && W_TYPE_SIZE == 64
+#define umul_ppmm(w1, w0, u, v) \
+ do { \
+ UDItype __u = (u), __v = (v); \
+ (w0) = __u * __v; \
+ (w1) = (unsigned __int128__) __u * __v >> 64; \
+ } while (0)
+#endif
+
+
#if (defined (__mc68000__) || defined (__mc68020__) || defined(mc68020) \
|| defined (__m68k__) || defined (__mc5200__) || defined (__mc5206e__) \
|| defined (__mc5307__)) && W_TYPE_SIZE == 32
@@ -1638,12 +1649,12 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype,
UWtype, UWtype);
} while (0)
#endif /* RT/ROMP */
-#if defined (__riscv64) && W_TYPE_SIZE == 64
+#if defined (__riscv) && defined (__riscv_mul) && W_TYPE_SIZE == 64
#define umul_ppmm(ph, pl, u, v) \
do { \
UDItype __u = (u), __v = (v); \
(pl) = __u * __v; \
- __asm__ ("mulhu\t%2, %1, %0" : "=r" (ph) : "%r" (__u), "r" (__v)); \
+ __asm__ ("mulhu\t%0, %1, %2" : "=r" (ph) : "%r" (__u), "r" (__v)); \
} while (0)
#endif
--
2.26.2
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