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re PR target/36336 (ICE push_reload - psuedo reg_equiv_constant)

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PR target/36336
* config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for reg_equiv_constant.

From-SVN: r136818
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Andy Hutchinson 2008-06-15 18:24:27 +00:00 committed by Andy Hutchinson
parent 147fc44bcd
commit f4df5771d9
2 changed files with 12 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-06-015 Andy Hutchinson <hutchinsonandy@aim.com>
PR target/36336
* config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
reg_equiv_constant.
2008-06-15 Maxim Kuvyrkov <maxim@codesourcery.com>
* config/mips/loongson2ef.md: New file.

6
gcc/config/avr/avr.h
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@ -437,6 +437,11 @@ extern int avr_reg_order[];
}
#define XEXP_(X,Y) (X)
/* LEGITIMIZE_RELOAD_ADDRESS will allow register R26/27 to be used, where it
is no worse than normal base pointers R28/29 and R30/31. For example:
If base offset is greater than 63 bytes or for R++ or --R addressing. */
#define LEGITIMIZE_RELOAD_ADDRESS(X, MODE, OPNUM, TYPE, IND_LEVELS, WIN) \
do { \
if (1&&(GET_CODE (X) == POST_INC || GET_CODE (X) == PRE_DEC)) \
@ -448,6 +453,7 @@ do { \
} \
if (GET_CODE (X) == PLUS \
&& REG_P (XEXP (X, 0)) \
&& reg_equiv_constant[REGNO (XEXP (X, 0))] == 0 \
&& GET_CODE (XEXP (X, 1)) == CONST_INT \
&& INTVAL (XEXP (X, 1)) >= 1) \
{ \