2012-09-01 Jakub Jelinek <jakub@redhat.com>
PR target/54436
* config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
operands[1] is CONST_INT_P, convert it to QImode before printing.
* gcc.dg/torture/pr54436.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@190900
138bc75d-0d04-0410-961f-
82ee72b054a4
2012-09-03 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
+ 2012-09-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54436
+ * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
+ operands[1] is CONST_INT_P, convert it to QImode before printing.
+
2012-08-31 Jakub Jelinek <jakub@redhat.com>
PR c/54428
(const_int 8))
(match_operand:SWI48x 1 "nonmemory_operand" "Qn"))]
"TARGET_64BIT"
- "mov{b}\t{%b1, %h0|%h0, %b1}"
+{
+ if (CONST_INT_P (operands[1]))
+ operands[1] = simplify_gen_subreg (QImode, operands[1], <MODE>mode, 0);
+ return "mov{b}\t{%b1, %h0|%h0, %b1}";
+}
[(set_attr "type" "imov")
(set_attr "mode" "QI")])
(const_int 8))
(match_operand:SI 1 "general_operand" "Qmn"))]
"!TARGET_64BIT"
- "mov{b}\t{%b1, %h0|%h0, %b1}"
+{
+ if (CONST_INT_P (operands[1]))
+ operands[1] = simplify_gen_subreg (QImode, operands[1], SImode, 0);
+ return "mov{b}\t{%b1, %h0|%h0, %b1}";
+}
[(set_attr "type" "imov")
(set_attr "mode" "QI")])
2012-09-03 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
+ 2012-09-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/54436
+ * gcc.dg/torture/pr54436.c: New test.
+
2012-08-31 Jakub Jelinek <jakub@redhat.com>
PR c/54428
--- /dev/null
+/* PR target/54436 */
+/* { dg-do assemble } */
+
+#if __SIZEOF_SHORT__ == 2 && __SIZEOF_LONG_LONG__ == 8
+static inline unsigned short
+baz (unsigned short *x)
+{
+ union U { unsigned short a; unsigned char b[2]; } u = { *x };
+ u.b[0] = ((u.b[0] * 0x0802ULL & 0x22110ULL)
+ | (u.b[0] * 0x8020ULL & 0x88440ULL)) * 0x10101ULL >> 16;
+ u.b[1] = ((u.b[1] * 0x0802ULL & 0x22110ULL)
+ | (u.b[1] * 0x8020ULL & 0x88440ULL)) * 0x10101ULL >> 16;
+ unsigned char t = u.b[0];
+ u.b[0] = u.b[1];
+ u.b[1] = t;
+ return u.a;
+}
+
+static inline unsigned long long
+bar (unsigned long long *x)
+{
+ union U { unsigned long long a; unsigned short b[4]; } u = { *x };
+ u.b[0] = baz (&u.b[0]);
+ return u.a;
+}
+
+void
+foo (void)
+{
+ unsigned long long l = -1ULL;
+ __asm volatile ("" : : "r" (bar (&l)));
+}
+#else
+void
+foo (void)
+{
+}
+#endif