Fix const folding of 64bit pointer constants

See testcase.

Michael Matz committed 10 years ago

Commit 3bc9c321 parent 0b0e64c2 files · +8 −2Browse files

Unified · Split

2 files

@@ -1659,10 +1659,10 @@ static void gen_opic(int op) · 1658 unmodified lines
1659	uint64_t l2 = c2 ? v2->c.i : 0;	1659	uint64_t l2 = c2 ? v2->c.i : 0;
1660	int shm = (t1 == VT_LLONG) ? 63 : 31;	1660	int shm = (t1 == VT_LLONG) ? 63 : 31;
1661		1661
1662	if (t1 != VT_LLONG)	1662	if (t1 != VT_LLONG && (PTR_SIZE != 8 \|\| t1 != VT_PTR))
1663	l1 = ((uint32_t)l1 \|	1663	l1 = ((uint32_t)l1 \|
1664	(v1->type.t & VT_UNSIGNED ? 0 : -(l1 & 0x80000000)));	1664	(v1->type.t & VT_UNSIGNED ? 0 : -(l1 & 0x80000000)));
1665	if (t2 != VT_LLONG)	1665	if (t2 != VT_LLONG && (PTR_SIZE != 8 \|\| t2 != VT_PTR))
1666	l2 = ((uint32_t)l2 \|	1666	l2 = ((uint32_t)l2 \|
1667	(v2->type.t & VT_UNSIGNED ? 0 : -(l2 & 0x80000000)));	1667	(v2->type.t & VT_UNSIGNED ? 0 : -(l2 & 0x80000000)));
1668		1668

         j = -1;
         printf("%d\n", sp[j].i);
     }
+#ifdef __LP64__
+    i = 1;
+    p = (int*)0x100000000UL + i;
+    i = ((long)p) >> 32;
+    printf("largeptr: %p %d\n", p, i);
+#endif
 }
 void expr_cmp_test()

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