mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2024-12-30 10:04:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

i386.c (legitimate_pic_address_disp_p): Do not accept PLUS in the GOTOFF operand.

Browse Source 
* i386.c (legitimate_pic_address_disp_p): Do not accept PLUS in the
	GOTOFF operand.
	(legitimize_pic_address): Move plus outside the unspec.
	* i386.c (legitimate_constant_p):  Check (CONST (PLUS (UNSPEC ...
	for validity.

From-SVN: r65367
This commit is contained in:
Jan Hubicka 2003-04-08 11:14:06 +02:00 committed by Jan Hubicka
parent 3e71e0028f
commit 799b33a028
2 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
Tue Apr 8 11:12:07 CEST 2003 Jan Hubicka <jh@suse.cz>
* i386.c (legitimate_pic_address_disp_p): Do not accept PLUS in the
GOTOFF operand.
(legitimize_pic_address): Move plus outside the unspec.
* i386.c (legitimate_constant_p): Check (CONST (PLUS (UNSPEC ...
for validity.
2003-04-08 Nathan Sidwell <nathan@codesourcery.com>
* gcov-io.h (gcov_save_position): Remove __inline__ from

22
gcc/config/i386/i386.c
View File

@ -5674,6 +5674,13 @@ legitimate_constant_p (x)
&& tls_symbolic_operand (XEXP (inner, 0), Pmode))
return false;
if (GET_CODE (inner) == PLUS)
{
if (GET_CODE (XEXP (inner, 1)) != CONST_INT)
return false;
inner = XEXP (inner, 0);
}
/* Only some unspecs are valid as "constants". */
if (GET_CODE (inner) == UNSPEC)
switch (XINT (inner, 1))
@ -5833,7 +5840,10 @@ legitimate_pic_address_disp_p (disp)
return false;
return GET_CODE (XVECEXP (disp, 0, 0)) == SYMBOL_REF;
case UNSPEC_GOTOFF:
return local_symbolic_operand (XVECEXP (disp, 0, 0), Pmode);
if (GET_CODE (XVECEXP (disp, 0, 0)) == SYMBOL_REF
|| GET_CODE (XVECEXP (disp, 0, 0)) == LABEL_REF)
return local_symbolic_operand (XVECEXP (disp, 0, 0), Pmode);
return false;
case UNSPEC_GOTTPOFF:
case UNSPEC_GOTNTPOFF:
case UNSPEC_INDNTPOFF:
@ -6146,7 +6156,15 @@ legitimize_pic_address (orig, reg)
if (reload_in_progress)
regs_ever_live[PIC_OFFSET_TABLE_REGNUM] = 1;
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), UNSPEC_GOTOFF);
if (GET_CODE (addr) == CONST)
addr = XEXP (addr, 0);
if (GET_CODE (addr) == PLUS)
{
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, XEXP (addr, 0)), UNSPEC_GOTOFF);
new = gen_rtx_PLUS (Pmode, new, XEXP (addr, 1));
}
else
new = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, addr), UNSPEC_GOTOFF);
new = gen_rtx_CONST (Pmode, new);
new = gen_rtx_PLUS (Pmode, pic_offset_table_rtx, new);