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re PR target/83507 (ICE in internal_dfa_insn_code_* for powerpc targets) 

PR target/83507
	* modulo-sched.c (schedule_reg_moves): Punt if we'd need to move
	hard registers.  Formatting fixes.

	* gcc.dg/sms-13.c: New test.

From-SVN: r256368
This commit is contained in:
Jakub Jelinek 2018-01-09 09:03:45 +01:00
parent 5190f1f98d
commit 3a123ed751
4 changed files with 48 additions and 4 deletions
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4
gcc/ChangeLog
View File

@ -1,5 +1,9 @@
2018-01-09 Jakub Jelinek <jakub@redhat.com>
PR target/83507
* modulo-sched.c (schedule_reg_moves): Punt if we'd need to move
hard registers. Formatting fixes.
PR preprocessor/83722
* gcc.c (try_generate_repro): Pass
&temp_stderr_files[RETRY_ICE_ATTEMPTS - 1] rather than

9
gcc/modulo-sched.c
View File

@ -687,9 +687,9 @@ schedule_reg_moves (partial_schedule_ptr ps)
rtx set = single_set (u->insn);
/* Skip instructions that do not set a register. */
if ((set && !REG_P (SET_DEST (set))))
if (set && !REG_P (SET_DEST (set)))
continue;
/* Compute the number of reg_moves needed for u, by looking at life
ranges started at u (excluding self-loops). */
distances[0] = distances[1] = false;
@ -743,7 +743,10 @@ schedule_reg_moves (partial_schedule_ptr ps)
first_move += ps->g->num_nodes;
/* Generate each move. */
old_reg = prev_reg = SET_DEST (single_set (u->insn));
old_reg = prev_reg = SET_DEST (set);
if (HARD_REGISTER_P (old_reg))
return false;
for (i_reg_move = 0; i_reg_move < nreg_moves; i_reg_move++)
{
ps_reg_move_info *move = ps_reg_move (ps, first_move + i_reg_move);

7
gcc/testsuite/ChangeLog
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@ -1,6 +1,11 @@
2018-01-09 Jakub Jelinek <jakub@redhat.com>
PR target/83507
* gcc.dg/sms-13.c: New test.
2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org>
PR Fortran/83741
PR fortran/83741
* gfortran.dg/allocate_assumed_charlen_3.f90: New test.
2018-01-08 Chih-Mao Chen <pkmx.tw@gmail.com>

32
gcc/testsuite/gcc.dg/sms-13.c Normal file
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@ -0,0 +1,32 @@
/* PR target/83507 */
/* { dg-do compile } */
/* { dg-options "-O2 -fmodulo-sched -fno-tree-ter -fno-tree-coalesce-vars" } */
void
foo (unsigned short int x, unsigned char y)
{
unsigned char *a = &y;
unsigned short int b;
int c;
while (y < 3)
{
if (x != 0)
++y;
++y;
}
for (c = 0; c < 5; ++c)
{
int d = 1;
d += b > x;
y &= d;
}
do
{
c += y;
x = c;
}
while (x != 0);
}