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re PR rtl-optimization/59896 (Bootstrap: Thumb-1 LRA unable to generate reloads for jump_insn)

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2014-01-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/59896
	* lra-constraints.c (process_alt_operands): Check unused note for
	matched operands of insn with no output reloads.

2014-01-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/59896
	* gcc.target/arm/pr59896.c: New.

From-SVN: r206908
This commit is contained in:
Vladimir Makarov 2014-01-21 21:26:33 +00:00 committed by Vladimir Makarov
parent ca376eb890
commit 9102daddab
4 changed files with 1393 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2014-01-21 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59896
* lra-constraints.c (process_alt_operands): Check unused note for
matched operands of insn with no output reloads.
2014-01-21 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (mips_move_to_gpr_cost): Add M16_REGS case.

8
gcc/lra-constraints.c
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@ -2199,7 +2199,13 @@ process_alt_operands (int only_alternative)
|| (curr_static_id->operand[nop].type != OP_OUT
&& no_input_reloads_p && ! const_to_mem)
|| (this_alternative_matches >= 0
&& (no_input_reloads_p || no_output_reloads_p)))
&& (no_input_reloads_p
|| (no_output_reloads_p
&& (curr_static_id->operand
[this_alternative_matches].type != OP_IN)
&& ! find_reg_note (curr_insn, REG_UNUSED,
no_subreg_reg_operand
[this_alternative_matches])))))
{
if (lra_dump_file != NULL)
fprintf

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2014-01-21 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59896
* gcc.target/arm/pr59896.c: New.
2014-01-21 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59858
@ -15,7 +20,7 @@
2014-01-20 Dominique d'Humieres <dominiq@lps.ens.fr>
* gfortran.dg/round_3.f08: Add more cases.
2014-01-20 Richard Sandiford <rdsandiford@googlemail.com>
* lib/target-supports.exp (force_conventional_output_for): New

1374
gcc/testsuite/gcc.target/arm/pr59896.c Normal file
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