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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:35 +0000
commit7b642cd94bb96385cbdbb36a1952f129af6b1bbb (patch)
treee7c4209372da8a2fa745aaa3e99d062e54d0f556 /lib/mpi
parentAdding debian version 4.19.289-2. (diff)
downloadlinux-7b642cd94bb96385cbdbb36a1952f129af6b1bbb.tar.xz
linux-7b642cd94bb96385cbdbb36a1952f129af6b1bbb.zip
Merging upstream version 4.19.304.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/mpi')
-rw-r--r--lib/mpi/longlong.h36
-rw-r--r--lib/mpi/mpi-cmp.c8
2 files changed, 7 insertions, 37 deletions
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index 6c5229f98..cac4e5aee 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -639,30 +639,12 @@ do { \
************** MIPS *****************
***************************************/
#if defined(__mips__) && W_TYPE_SIZE == 32
-#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
#define umul_ppmm(w1, w0, u, v) \
do { \
UDItype __ll = (UDItype)(u) * (v); \
w1 = __ll >> 32; \
w0 = __ll; \
} while (0)
-#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("multu %2,%3" \
- : "=l" ((USItype)(w0)), \
- "=h" ((USItype)(w1)) \
- : "d" ((USItype)(u)), \
- "d" ((USItype)(v)))
-#else
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("multu %2,%3\n" \
- "mflo %0\n" \
- "mfhi %1" \
- : "=d" ((USItype)(w0)), \
- "=d" ((USItype)(w1)) \
- : "d" ((USItype)(u)), \
- "d" ((USItype)(v)))
-#endif
#define UMUL_TIME 10
#define UDIV_TIME 100
#endif /* __mips__ */
@@ -687,7 +669,7 @@ do { \
: "d" ((UDItype)(u)), \
"d" ((UDItype)(v))); \
} while (0)
-#elif (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
+#else
#define umul_ppmm(w1, w0, u, v) \
do { \
typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \
@@ -695,22 +677,6 @@ do { \
w1 = __ll >> 64; \
w0 = __ll; \
} while (0)
-#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("dmultu %2,%3" \
- : "=l" ((UDItype)(w0)), \
- "=h" ((UDItype)(w1)) \
- : "d" ((UDItype)(u)), \
- "d" ((UDItype)(v)))
-#else
-#define umul_ppmm(w1, w0, u, v) \
- __asm__ ("dmultu %2,%3\n" \
- "mflo %0\n" \
- "mfhi %1" \
- : "=d" ((UDItype)(w0)), \
- "=d" ((UDItype)(w1)) \
- : "d" ((UDItype)(u)), \
- "d" ((UDItype)(v)))
#endif
#define UMUL_TIME 20
#define UDIV_TIME 140
diff --git a/lib/mpi/mpi-cmp.c b/lib/mpi/mpi-cmp.c
index d25e9e96c..ceaebe181 100644
--- a/lib/mpi/mpi-cmp.c
+++ b/lib/mpi/mpi-cmp.c
@@ -25,8 +25,12 @@ int mpi_cmp_ui(MPI u, unsigned long v)
mpi_limb_t limb = v;
mpi_normalize(u);
- if (!u->nlimbs && !limb)
- return 0;
+ if (u->nlimbs == 0) {
+ if (v == 0)
+ return 0;
+ else
+ return -1;
+ }
if (u->sign)
return -1;
if (u->nlimbs > 1)