git
/
gcc
mirror of git://gcc.gnu.org/git/gcc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

re PR bootstrap/71435 (sparc bootstrap failure since r235625) 

PR bootstrap/71435
	* reload1.c (reload): Pass 0 to finish_spills when called because
	update_eliminables_and_spill returns true and remove did_spill.
	(finish_spills): Adjust comment and document GLOBAL parameter.

From-SVN: r237571
This commit is contained in:
Eric Botcazou 2016-06-18 11:10:10 +00:00 committed by Eric Botcazou
parent 2b357a2ba7
commit 2dd6af4ef1
2 changed files with 18 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2016-06-18 Eric Botcazou <ebotcazou@adacore.com>
PR bootstrap/71435
* reload1.c (reload): Pass 0 to finish_spills when called because
update_eliminables_and_spill returns true and remove did_spill.
(finish_spills): Adjust comment and document GLOBAL parameter.
2016-06-17 DJ Delorie <dj@redhat.com> 2016-06-17 DJ Delorie <dj@redhat.com>
PR target/71338 PR target/71338

23
gcc/reload1.c
View File

@ -897,7 +897,6 @@ reload (rtx_insn *first, int global)
for (;;) for (;;)
{ {
int something_changed; int something_changed;
int did_spill;
HOST_WIDE_INT starting_frame_size; HOST_WIDE_INT starting_frame_size;
starting_frame_size = get_frame_size (); starting_frame_size = get_frame_size ();
@ -982,7 +981,7 @@ reload (rtx_insn *first, int global)
if (something_was_spilled || starting_frame_size != get_frame_size ()) if (something_was_spilled || starting_frame_size != get_frame_size ())
{ {
if (update_eliminables_and_spill ()) if (update_eliminables_and_spill ())
finish_spills (global); finish_spills (0);
continue; continue;
} }
@ -1001,8 +1000,6 @@ reload (rtx_insn *first, int global)
is used. */ is used. */
CLEAR_REG_SET (&spilled_pseudos); CLEAR_REG_SET (&spilled_pseudos);
did_spill = 0;
something_changed = 0; something_changed = 0;
/* If we allocated any new memory locations, make another pass /* If we allocated any new memory locations, make another pass
@ -1019,7 +1016,7 @@ reload (rtx_insn *first, int global)
if (update_eliminables_and_spill ()) if (update_eliminables_and_spill ())
{ {
did_spill = 1; finish_spills (0);
something_changed = 1; something_changed = 1;
} }
else else
@ -1027,11 +1024,10 @@ reload (rtx_insn *first, int global)
select_reload_regs (); select_reload_regs ();
if (failure) if (failure)
goto failed; goto failed;
if (insns_need_reload)
something_changed |= finish_spills (global);
} }
if (insns_need_reload != 0 || did_spill)
something_changed |= finish_spills (global);
if (! something_changed) if (! something_changed)
break; break;
@ -4281,10 +4277,13 @@ spill_hard_reg (unsigned int regno, int cant_eliminate)
SET_REGNO_REG_SET (&spilled_pseudos, i); SET_REGNO_REG_SET (&spilled_pseudos, i);
} }
/* After find_reload_regs has been run for all insn that need reloads, /* After spill_hard_reg was called and/or find_reload_regs was run for all
and/or spill_hard_regs was called, this function is used to actually insns that need reloads, this function is used to actually spill pseudo
spill pseudo registers and try to reallocate them. It also sets up the registers and try to reallocate them. It also sets up the spill_regs
spill_regs array for use by choose_reload_regs. */ array for use by choose_reload_regs.
GLOBAL nonzero means we should attempt to reallocate any pseudo registers
that we displace from hard registers. */
static int static int
finish_spills (int global) finish_spills (int global)