+2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
+
+ PR target/70083
+ * lra-lives.c (process_bb_lives): Also update biggest mode for hard
+ regs.
+ (lra_create_live_ranges_1): initialize hard register biggest_mode to
+ VOIDmode.
+ * lra-constraints.c (split_reg): For hard regs, try to find the
+ biggest single-register mode used in the function.
+
2016-03-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/56365
rtx_insn *restore, *save;
bool after_p;
bool call_save_p;
+ machine_mode mode;
if (original_regno < FIRST_PSEUDO_REGISTER)
{
hard_regno = original_regno;
call_save_p = false;
nregs = 1;
+ mode = lra_reg_info[hard_regno].biggest_mode;
+ machine_mode reg_rtx_mode = GET_MODE (regno_reg_rtx[hard_regno]);
+ if (GET_MODE_SIZE (mode) > GET_MODE_SIZE (reg_rtx_mode))
+ {
+ original_reg = regno_reg_rtx[hard_regno];
+ mode = reg_rtx_mode;
+ }
+ else
+ original_reg = gen_rtx_REG (mode, hard_regno);
}
else
{
+ mode = PSEUDO_REGNO_MODE (original_regno);
hard_regno = reg_renumber[original_regno];
- nregs = hard_regno_nregs[hard_regno][PSEUDO_REGNO_MODE (original_regno)];
+ nregs = hard_regno_nregs[hard_regno][mode];
rclass = lra_get_allocno_class (original_regno);
original_reg = regno_reg_rtx[original_regno];
call_save_p = need_for_call_save_p (original_regno);
}
- original_reg = regno_reg_rtx[original_regno];
lra_assert (hard_regno >= 0);
if (lra_dump_file != NULL)
fprintf (lra_dump_file,
" ((((((((((((((((((((((((((((((((((((((((((((((((\n");
+
if (call_save_p)
{
- machine_mode mode = GET_MODE (original_reg);
-
mode = HARD_REGNO_CALLER_SAVE_MODE (hard_regno,
hard_regno_nregs[hard_regno][mode],
mode);
}
else
{
- rclass = choose_split_class (rclass, hard_regno,
- GET_MODE (original_reg));
+ rclass = choose_split_class (rclass, hard_regno, mode);
if (rclass == NO_REGS)
{
if (lra_dump_file != NULL)
}
return false;
}
- new_reg = lra_create_new_reg (GET_MODE (original_reg), original_reg,
- rclass, "split");
+ new_reg = lra_create_new_reg (mode, original_reg, rclass, "split");
reg_renumber[REGNO (new_reg)] = hard_regno;
}
save = emit_spill_move (true, new_reg, original_reg);
/* Update max ref width and hard reg usage. */
for (reg = curr_id->regs; reg != NULL; reg = reg->next)
- if (reg->regno >= FIRST_PSEUDO_REGISTER
- && (GET_MODE_SIZE (reg->biggest_mode)
- > GET_MODE_SIZE (lra_reg_info[reg->regno].biggest_mode)))
- lra_reg_info[reg->regno].biggest_mode = reg->biggest_mode;
- else if (reg->regno < FIRST_PSEUDO_REGISTER)
- lra_hard_reg_usage[reg->regno] += freq;
+ {
+ if (GET_MODE_SIZE (reg->biggest_mode)
+ > GET_MODE_SIZE (lra_reg_info[reg->regno].biggest_mode))
+ lra_reg_info[reg->regno].biggest_mode = reg->biggest_mode;
+ if (reg->regno < FIRST_PSEUDO_REGISTER)
+ lra_hard_reg_usage[reg->regno] += freq;
+ }
call_p = CALL_P (curr_insn);
src_regno = (set != NULL_RTX && REG_P (SET_SRC (set))
conservative because of recent transformation. Here in this
file we recalculate it again as it costs practically
nothing. */
- if (regno_reg_rtx[i] != NULL_RTX)
+ if (i >= FIRST_PSEUDO_REGISTER && regno_reg_rtx[i] != NULL_RTX)
lra_reg_info[i].biggest_mode = GET_MODE (regno_reg_rtx[i]);
else
lra_reg_info[i].biggest_mode = VOIDmode;
+2016-03-14 Bernd Schmidt <bschmidt@redhat.com>
+
+ PR target/70083
+ * gcc.dg/torture/pr70083.c: New test.
+ * gcc.target/i386/pr70083.c: New test.
+
2016-03-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/56365
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-Wno-psabi" } */
+
+typedef short v16hi __attribute__ ((vector_size (32)));
+typedef int v8si __attribute__ ((vector_size (32)));
+typedef long long v4di __attribute__ ((vector_size (32)));
+
+int
+foo(int u32_0, int u64_0, int u64_1, v16hi v32u16_0, v8si v32u32_0, v4di v32u64_0, v16hi v32u16_1, v8si v32u32_1, v4di v32u64_1)
+{
+ v32u32_1 %= (v8si) v32u16_1 | 1;
+ v32u64_1[1] |= ((1));
+ v32u16_0 /= (v16hi){~u64_1, 1, 0xb56c, 0xd279, 0x26b6, 0x74d9, 0xf764, 0, 0, -v32u16_1[6]} | 1;
+ v32u16_1 ^= (v16hi){0xc98d, 1, 0x8c71, u32_0, 0x5366, 0, ~v32u64_1[1]} & 31;
+ v32u32_0 -= (v8si)~v32u64_1;
+ v32u32_1[2] |= 0x1f;
+ v32u16_0 %= (v16hi){2, 0xffff, u32_0, 1, v32u64_0[1], u32_0 };
+ v32u32_1 /= (v8si){0x1e7390, v32u16_0[12], ~v32u16_1[2], -u64_0};
+ return v32u16_0[4] + v32u16_0[5] + v32u32_0[5] + v32u32_1[6] + v32u64_1[3];
+}
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-Wno-psabi -O2 -fno-dce -fschedule-insns -fno-sched-critical-path-heuristic -mavx512dq --param=max-cse-insns=1" } */
+
+typedef short v16hi __attribute__ ((vector_size (32)));
+typedef int v8si __attribute__ ((vector_size (32)));
+typedef long long v4di __attribute__ ((vector_size (32)));
+
+int
+foo(int u32_0, int u64_0, int u64_1, v16hi v32u16_0, v8si v32u32_0, v4di v32u64_0, v16hi v32u16_1, v8si v32u32_1, v4di v32u64_1)
+{
+ v32u32_1 %= (v8si) v32u16_1 | 1;
+ v32u64_1[1] |= ((1));
+ v32u16_0 /= (v16hi){~u64_1, 1, 0xb56c, 0xd279, 0x26b6, 0x74d9, 0xf764, 0, 0, -v32u16_1[6]} | 1;
+ v32u16_1 ^= (v16hi){0xc98d, 1, 0x8c71, u32_0, 0x5366, 0, ~v32u64_1[1]} & 31;
+ v32u32_0 -= (v8si)~v32u64_1;
+ v32u32_1[2] |= 0x1f;
+ v32u16_0 %= (v16hi){2, 0xffff, u32_0, 1, v32u64_0[1], u32_0 };
+ v32u32_1 /= (v8si){0x1e7390, v32u16_0[12], ~v32u16_1[2], -u64_0};
+ return v32u16_0[4] + v32u16_0[5] + v32u32_0[5] + v32u32_1[6] + v32u64_1[3];
+}