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reload1.c (reload): Revert previous patch.

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2003-11-14  Eric Christopher  <echristo@redhat.com>

        * reload1.c (reload): Revert previous patch. Make
        check for assignment into reg_equiv_address stricter.

From-SVN: r73595
This commit is contained in:
Eric Christopher 2003-11-14 10:20:48 +00:00
parent 15cc172b12
commit f2b7f367d5
2 changed files with 15 additions and 10 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-11-14 Eric Christopher <echristo@redhat.com>
* reload1.c (reload): Revert previous patch. Make
check for assignment into reg_equiv_address stricter.
2003-11-14 Arnaud Charlet <charlet@act-europe.fr>
* Makefile.in (POSTSTAGE1_FLAGS_TO_PASS): Pass ADAFLAGS.
@ -37,8 +42,8 @@
2003-11-13 Andrew Pinski <apinski@apple.com>
* config/darwin.c (machopic_output_possible_stub_label):
Allow stub symbol be not defined when outputting possible
* config/darwin.c (machopic_output_possible_stub_label):
Allow stub symbol be not defined when outputting possible
stub label.
2003-11-13 Kazu Hirata <kazu@cs.umass.edu>

16
gcc/reload1.c
View File

@ -774,12 +774,6 @@ reload (rtx first, int global)
= force_const_mem (GET_MODE (SET_DEST (set)), x);
if (!reg_equiv_memory_loc[i])
continue;
/* As above. Later passes of reload assume that
all addresses found in the reg_equiv_* arrays
were originally legitimate. */
if (!memory_operand (reg_equiv_memory_loc[i], VOIDmode))
reg_equiv_memory_loc[i] = NULL_RTX;
}
}
else
@ -916,18 +910,24 @@ reload (rtx first, int global)
if (reg_renumber[i] < 0 && reg_equiv_memory_loc[i])
{
rtx x = eliminate_regs (reg_equiv_memory_loc[i], 0, NULL_RTX);
enum reg_class class = MODE_BASE_REG_CLASS (GET_MODE (x));
if (strict_memory_address_p (GET_MODE (regno_reg_rtx[i]),
XEXP (x, 0)))
reg_equiv_mem[i] = x, reg_equiv_address[i] = 0;
else if (CONSTANT_P (XEXP (x, 0))
else if ((CONSTANT_P (x)
&& LEGITIMATE_CONSTANT_P (x)
&& PREFERRED_RELOAD_CLASS (x, class) != NO_REGS)
|| (GET_CODE (XEXP (x, 0)) == REG
&& REGNO (XEXP (x, 0)) < FIRST_PSEUDO_REGISTER)
|| (GET_CODE (XEXP (x, 0)) == PLUS
&& GET_CODE (XEXP (XEXP (x, 0), 0)) == REG
&& (REGNO (XEXP (XEXP (x, 0), 0))
< FIRST_PSEUDO_REGISTER)
&& CONSTANT_P (XEXP (XEXP (x, 0), 1))))
&& (CONSTANT_P (XEXP (XEXP (x, 0), 1))
&& LEGITIMATE_CONSTANT_P (XEXP (XEXP (x, 0), 1))
&& PREFERRED_RELOAD_CLASS (XEXP (XEXP (x, 0), 1), class)
!= NO_REGS)))
reg_equiv_address[i] = XEXP (x, 0), reg_equiv_mem[i] = 0;
else
{