the user explicitly requested this to be on or off. */ \
if (flag_schedule_insns > 0) \
flag_schedule_insns = 2; \
+ /* Likewise for flag_ira_share_spill_slots. */ \
+ if (flag_ira_share_spill_slots > 0) \
+ flag_ira_share_spill_slots = 2; \
\
set_param_value ("simultaneous-prefetches", 2); \
} while (0)
} \
} \
\
+ /* FIXME. Currently -fira-share-spill-slots causes a wrong code \
+ problem PR 37514, though the compiler generates lengthy codes \
+ in some cases without it. */ \
+ if (flag_ira_share_spill_slots == 2) \
+ flag_ira_share_spill_slots = 0; \
+ \
if (align_loops == 0) \
align_loops = 1 << (TARGET_SH5 ? 3 : 2); \
if (align_jumps == 0) \
--- /dev/null
+/* This is essentially gcc.c-torture/execute/20021120-1.c run with
+ -O3 -fomit-frame-pointer -fira-share-spill-slots. */
+/* { dg-do run { target "sh*-*-*" } } */
+/* { dg-options "-O3 -fomit-frame-pointer -fira-share-spill-slots" } */
+
+/* Macros to emit "L Nxx R" for each octal number xx between 000 and 037. */
+#define OP1(L, N, R, I, J) L N##I##J R
+#define OP2(L, N, R, I) \
+ OP1(L, N, R, 0, I), OP1(L, N, R, 1, I), \
+ OP1(L, N, R, 2, I), OP1(L, N, R, 3, I)
+#define OP(L, N, R) \
+ OP2(L, N, R, 0), OP2(L, N, R, 1), OP2(L, N, R, 2), OP2(L, N, R, 3), \
+ OP2(L, N, R, 4), OP2(L, N, R, 5), OP2(L, N, R, 6), OP2(L, N, R, 7)
+
+/* Declare 32 unique variables with prefix N. */
+#define DECLARE(N) OP (, N,)
+
+/* Copy 32 variables with prefix N from the array at ADDR.
+ Leave ADDR pointing to the end of the array. */
+#define COPYIN(N, ADDR) OP (, N, = *(ADDR++))
+
+/* Likewise, but copy the other way. */
+#define COPYOUT(N, ADDR) OP (*(ADDR++) =, N,)
+
+/* Add the contents of the array at ADDR to 32 variables with prefix N.
+ Leave ADDR pointing to the end of the array. */
+#define ADD(N, ADDR) OP (, N, += *(ADDR++))
+
+volatile double gd[32];
+volatile float gf[32];
+
+extern void abort (void);
+
+static void foo (int n)
+{
+ double DECLARE(d);
+ float DECLARE(f);
+ volatile double *pd;
+ volatile float *pf;
+ int i;
+
+ pd = gd; COPYIN (d, pd);
+ for (i = 0; i < n; i++)
+ {
+ pf = gf; COPYIN (f, pf);
+ pd = gd; ADD (d, pd);
+ pd = gd; ADD (d, pd);
+ pd = gd; ADD (d, pd);
+ pf = gf; COPYOUT (f, pf);
+ }
+ pd = gd; COPYOUT (d, pd);
+}
+
+int main ()
+{
+ int i;
+
+ for (i = 0; i < 32; i++)
+ gd[i] = i, gf[i] = i;
+ foo (1);
+ for (i = 0; i < 32; i++)
+ if (gd[i] != i * 4 || gf[i] != i)
+ abort ();
+ return 0;
+}