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Remove global call sets: recog.c 

2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* recog.c: Include function-abi.h.
	(peep2_find_free_register): Use crtl->abi when deciding whether
	a register is free for use after RA.

From-SVN: r276330
This commit is contained in:
Richard Sandiford 2019-09-30 16:21:10 +00:00 committed by Richard Sandiford
parent 7187286ef3
commit 35b81ea3f7
2 changed files with 8 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
* recog.c: Include function-abi.h.
(peep2_find_free_register): Use crtl->abi when deciding whether
a register is free for use after RA.
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
* postreload-gcse.c: Include regs.h and function-abi.h.

3
gcc/recog.c
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@ -40,6 +40,7 @@ along with GCC; see the file COPYING3. If not see
#include "cfgcleanup.h"
#include "reload.h"
#include "tree-pass.h"
#include "function-abi.h"
#ifndef STACK_POP_CODE
#if STACK_GROWS_DOWNWARD
@ -3227,7 +3228,7 @@ peep2_find_free_register (int from, int to, const char *class_str,
break;
}
/* And that we don't create an extra save/restore. */
if (! call_used_or_fixed_reg_p (regno + j)
if (! crtl->abi->clobbers_full_reg_p (regno + j)
&& ! df_regs_ever_live_p (regno + j))
{
success = 0;