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re PR bootstrap/25397 (Bootstrap failed) 

2005-12-14  J"orn Rennecke <joern.rennecke@st.com>

	PR bootstrap/25397:

	* struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
	of STACK_REGS bits.

	* struct-euiv.c (rtx_equiv_p): Remove SUBREG case.

From-SVN: r108508
This commit is contained in:
J"orn Rennecke 2005-12-14 13:41:22 +00:00 committed by Joern Rennecke
parent 3b10d28608
commit aa4a222cc8
2 changed files with 10 additions and 5 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2005-12-14 J"orn Rennecke <joern.rennecke@st.com>
PR bootstrap/25397:
* struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
of STACK_REGS bits.
* struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
2005-12-14 Jakub Jelinek <jakub@redhat.com>
PR target/25254

6
gcc/struct-equiv.c
View File

@ -367,10 +367,6 @@ rtx_equiv_p (rtx *xp, rtx y, int rvalue, struct equiv_info *info)
/* ??? could extend to allow CONST_INT inputs. */
switch (code)
{
case SUBREG:
gcc_assert (!reload_completed
|| !info->live_update);
break;
case REG:
{
unsigned x_regno = REGNO (x);
@ -1001,7 +997,7 @@ struct_equiv_init (int mode, struct equiv_info *info)
these regs are not necessarily all dead - we swap random bogosity
against constant bogosity. However, clearing these bits at
least makes the regsets comparable. */
for (rn = FIRST_STACK_REG; rn < LAST_STACK_REG; rn++)
for (rn = FIRST_STACK_REG; rn <= LAST_STACK_REG; rn++)
{
CLEAR_REGNO_REG_SET (info->x_block->il.rtl->global_live_at_end, rn);
CLEAR_REGNO_REG_SET (info->y_block->il.rtl->global_live_at_end, rn);