/* Enum of rank_for_schedule heuristic decisions. */
enum rfs_decision {
- RFS_DEBUG, RFS_LIVE_RANGE_SHRINK1, RFS_LIVE_RANGE_SHRINK2,
+ RFS_LIVE_RANGE_SHRINK1, RFS_LIVE_RANGE_SHRINK2,
RFS_SCHED_GROUP, RFS_PRESSURE_DELAY, RFS_PRESSURE_TICK,
RFS_FEEDS_BACKTRACK_INSN, RFS_PRIORITY, RFS_SPECULATION,
RFS_SCHED_RANK, RFS_LAST_INSN, RFS_PRESSURE_INDEX,
/* Corresponding strings for print outs. */
static const char *rfs_str[RFS_N] = {
- "RFS_DEBUG", "RFS_LIVE_RANGE_SHRINK1", "RFS_LIVE_RANGE_SHRINK2",
+ "RFS_LIVE_RANGE_SHRINK1", "RFS_LIVE_RANGE_SHRINK2",
"RFS_SCHED_GROUP", "RFS_PRESSURE_DELAY", "RFS_PRESSURE_TICK",
"RFS_FEEDS_BACKTRACK_INSN", "RFS_PRIORITY", "RFS_SPECULATION",
"RFS_SCHED_RANK", "RFS_LAST_INSN", "RFS_PRESSURE_INDEX",
/* Schedule debug insns as early as possible. */
if (DEBUG_INSN_P (tmp) && !DEBUG_INSN_P (tmp2))
- return rfs_result (RFS_DEBUG, -1, tmp, tmp2);
+ return -1;
else if (!DEBUG_INSN_P (tmp) && DEBUG_INSN_P (tmp2))
- return rfs_result (RFS_DEBUG, 1, tmp, tmp2);
+ return 1;
else if (DEBUG_INSN_P (tmp) && DEBUG_INSN_P (tmp2))
- return rfs_result (RFS_DEBUG, INSN_LUID (tmp) - INSN_LUID (tmp2),
- tmp, tmp2);
+ return INSN_LUID (tmp) - INSN_LUID (tmp2);
else
return INSN_RFS_DEBUG_ORIG_ORDER (tmp2) - INSN_RFS_DEBUG_ORIG_ORDER (tmp);
}
}
}
-/* Sort the ready list READY by ascending priority, using the SCHED_SORT
- macro. */
-
-void
-ready_sort (struct ready_list *ready)
+/* Separate DEBUG_INSNS from normal insns. DEBUG_INSNs go to the end
+ of array. */
+static void
+ready_sort_debug (struct ready_list *ready)
{
int i;
rtx_insn **first = ready_lastpos (ready);
- int n_ready_non_debug = ready->n_ready;
for (i = 0; i < ready->n_ready; ++i)
- {
- if (DEBUG_INSN_P (first[i]))
- --n_ready_non_debug;
- else
- {
- INSN_RFS_DEBUG_ORIG_ORDER (first[i]) = i;
+ if (!DEBUG_INSN_P (first[i]))
+ INSN_RFS_DEBUG_ORIG_ORDER (first[i]) = i;
- if (sched_pressure == SCHED_PRESSURE_WEIGHTED)
- setup_insn_reg_pressure_info (first[i]);
- }
- }
+ qsort (first, ready->n_ready, sizeof (rtx), rank_for_schedule_debug);
+}
- if (sched_pressure == SCHED_PRESSURE_MODEL
- && model_curr_point < model_num_insns)
- model_set_excess_costs (first, ready->n_ready);
+/* Sort non-debug insns in the ready list READY by ascending priority.
+ Assumes that all debug insns are separated from the real insns. */
+static void
+ready_sort_real (struct ready_list *ready)
+{
+ int i;
+ rtx_insn **first = ready_lastpos (ready);
+ int n_ready_real = ready->n_ready - ready->n_debug;
+
+ if (sched_pressure == SCHED_PRESSURE_WEIGHTED)
+ for (i = 0; i < n_ready_real; ++i)
+ setup_insn_reg_pressure_info (first[i]);
+ else if (sched_pressure == SCHED_PRESSURE_MODEL
+ && model_curr_point < model_num_insns)
+ model_set_excess_costs (first, n_ready_real);
rank_for_schedule_stats_t stats1;
if (sched_verbose >= 4)
stats1 = rank_for_schedule_stats;
- if (n_ready_non_debug < ready->n_ready)
- /* Separate DEBUG_INSNS from normal insns. DEBUG_INSNs go to the end
- of array. */
- qsort (first, ready->n_ready, sizeof (rtx), rank_for_schedule_debug);
- else
- {
- if (n_ready_non_debug == 2)
- swap_sort (first, n_ready_non_debug);
- else if (n_ready_non_debug > 2)
- qsort (first, n_ready_non_debug, sizeof (rtx), rank_for_schedule);
- }
+ if (n_ready_real == 2)
+ swap_sort (first, n_ready_real);
+ else if (n_ready_real > 2)
+ qsort (first, n_ready_real, sizeof (rtx), rank_for_schedule);
if (sched_verbose >= 4)
{
}
}
+/* Sort the ready list READY by ascending priority. */
+static void
+ready_sort (struct ready_list *ready)
+{
+ if (ready->n_debug > 0)
+ ready_sort_debug (ready);
+ else
+ ready_sort_real (ready);
+}
+
/* PREV is an insn that is ready to execute. Adjust its priority if that
will help shorten or lengthen register lifetimes as appropriate. Also
provide a hook for the target to tweak itself. */
if (!reload_completed
&& ready.n_ready - ready.n_debug > MAX_SCHED_READY_INSNS)
{
- ready_sort (&ready);
+ ready_sort_debug (&ready);
+ ready_sort_real (&ready);
/* Find first free-standing insn past MAX_SCHED_READY_INSNS.
If there are debug insns, we know they're first. */
if (sched_verbose >= 2)
{
fprintf (sched_dump,
- ";;\t\tReady list on entry: %d insns\n", ready.n_ready);
+ ";;\t\tReady list on entry: %d insns: ", ready.n_ready);
+ debug_ready_list (&ready);
fprintf (sched_dump,
";;\t\t before reload => truncated to %d insns\n", i);
}
--- /dev/null
+/* PR rtl-optimization/64935 */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu89 -Wno-shift-count-overflow -O2 -fcompare-debug" } */
+
+int a[] = {}, b[] = {}, c[] = {}, d[] = {}, e[] = {}, f[] = {}, h[] = {};
+int g[] = { 0 };
+int i, l, s, w, x, y, z, t2, t3, t5;
+unsigned long j, m, o, t4;
+long k, n, p, q, r, t, u, v, t1;
+fn1 ()
+{
+ int t6;
+ for (; i; i++)
+ {
+ t5 = a[q] ^ b[p >> 1] ^ c[o >> 1 & 1] ^ d[n >> 1 & 1] ^ e[m >> 1 & 1]
+ ^ f[l >> 1 & 1] ^ g[0] ^ h[j & 1];
+ t4 = a[j] ^ b[q >> 1] ^ c[p] ^ d[o] ^ e[n] ^ f[m] ^ g[l >> 8] ^ h[k];
+ t3 = a[k >> 1] ^ b[j & 5] ^ d[p >> 32] ^ e[o >> 4] ^ f[n >> 6]
+ ^ g[m >> 8] ^ h[l];
+ t2 = a[l >> 6] ^ b[k & 1] ^ c[j >> 1] ^ d[q >> 32] ^ e[p >> 4]
+ ^ f[o >> 6] ^ g[n >> 8] ^ h[m & 1];
+ t1 = a[m >> 6] ^ b[l & 1] ^ c[k & 15] ^ d[j >> 2] ^ e[q >> 4] ^ f[p >> 6]
+ ^ g[o >> 8] ^ h[n & 1];
+ z = a[n >> 56] ^ b[m & 15] ^ c[l & 15] ^ d[k >> 2] ^ e[j >> 4]
+ ^ f[q >> 6] ^ g[p >> 8] ^ h[o & 1];
+ y = a[o >> 56] ^ b[n & 15] ^ c[m >> 40] ^ d[l >> 2] ^ e[k >> 4]
+ ^ f[j >> 6] ^ g[q >> 8] ^ h[p & 1];
+ x = a[p >> 56] ^ b[o & 15] ^ c[n >> 40] ^ d[m >> 2] ^ e[l >> 4]
+ ^ f[k >> 6] ^ g[j >> 8] ^ h[q & 1];
+ q = j = t4;
+ k = t3;
+ l = t2;
+ m = t1;
+ n = z;
+ o = y;
+ p = a[t6] ^ b[0] ^ c[w] ^ d[v] ^ e[u] ^ f[t] ^ g[s] ^ h[r];
+ t4 = a[r >> 1] ^ b[t6 & 1] ^ d[w >> 1] ^ e[v >> 1] ^ f[u >> 1]
+ ^ g[t >> 1] ^ h[s];
+ t3 = a[s >> 6] ^ b[r & 1] ^ c[t6 & 5] ^ d[0] ^ e[w >> 4] ^ f[v >> 6]
+ ^ g[u >> 8] ^ h[t & 1];
+ t2 = a[t >> 6] ^ b[s] ^ c[r & 15] ^ d[t6 >> 1] ^ e[0] ^ f[w >> 6]
+ ^ g[v >> 8] ^ h[u & 1];
+ t1 = a[u >> 6] ^ b[t & 15] ^ c[s & 5] ^ d[r >> 32] ^ e[t6 >> 4]
+ ^ g[w >> 8] ^ h[v & 1];
+ z = a[v >> 56] ^ b[u >> 48 & 1] ^ c[t >> 40 & 1] ^ d[s] ^ e[r >> 1 & 1]
+ ^ f[t6 >> 1 & 1] ^ g[0] ^ h[w & 1] ^ z;
+ t6 = t5;
+ r = t4;
+ s = 0;
+ t = u = t1;
+ v = z;
+ w = y;
+ }
+}
projects / gcc.git / commitdiff