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re PR inline-asm/93027 (ICE: in match_reload, at lra-constraints.c:1060)

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2020-01-10  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/93207
	* lra-constraints.c (match_reload): Permit input operands have the
	same mode as output while other input operands have a different
	mode.

2020-01-10  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/93207
	* gcc.target/i386/pr93207.c: New test.

From-SVN: r280133
This commit is contained in:
Vladimir Makarov 2020-01-10 20:07:45 +00:00 committed by Vladimir Makarov
parent b937050d30
commit 60257913f8
4 changed files with 34 additions and 5 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2020-01-10 Vladimir Makarov <vmakarov@redhat.com>
PR inline-asm/93207
* lra-constraints.c (match_reload): Permit input operands have the
same mode as output while other input operands have a different
mode.
2020-01-10 Wilco Dijkstra <wdijkstr@arm.com>
PR tree-optimization/90838

13
gcc/lra-constraints.c
View File

@ -1054,12 +1054,15 @@ match_reload (signed char out, signed char *ins, signed char *outs,
curr_insn_input_reloads[curr_insn_input_reloads_num].match_p = true;
curr_insn_input_reloads[curr_insn_input_reloads_num++].reg = new_in_reg;
for (i = 0; (in = ins[i]) >= 0; i++)
{
lra_assert
(GET_MODE (*curr_id->operand_loc[in]) == VOIDmode
|| GET_MODE (new_in_reg) == GET_MODE (*curr_id->operand_loc[in]));
if (GET_MODE (*curr_id->operand_loc[in]) == VOIDmode
|| GET_MODE (new_in_reg) == GET_MODE (*curr_id->operand_loc[in]))
*curr_id->operand_loc[in] = new_in_reg;
}
else
{
lra_assert
(GET_MODE (new_out_reg) == GET_MODE (*curr_id->operand_loc[in]));
*curr_id->operand_loc[in] = new_out_reg;
}
lra_update_dups (curr_id, ins);
if (out < 0)
return;

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2020-01-10 Vladimir Makarov <vmakarov@redhat.com>
PR inline-asm/93207
* gcc.target/i386/pr93207.c: New test.
2020-01-10 Wilco Dijkstra <wdijkstr@arm.com>
* testsuite/gcc.target/aarch64/pr90838.c: New test.

14
gcc/testsuite/gcc.target/i386/pr93207.c Normal file
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@ -0,0 +1,14 @@
/* PR inline-asm/93207 */
/* { dg-do compile } */
/* { dg-options "-O0" } */
int main (void) {
int f = 0, w;
asm volatile(
""
: "+m&l"(f)
: "0a"(&w)
);
return 0;
}