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sh.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine. 

* config/sh/sh.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
	(sh_delegitimize_address): New function.

From-SVN: r166157
This commit is contained in:
Kaz Kojima 2010-11-02 00:12:14 +00:00
parent baf3ead600
commit 90833f7f2f
2 changed files with 48 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-11-01 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
(sh_delegitimize_address): New function.
2010-11-01 Joseph Myers <joseph@codesourcery.com>
* config/alpha/alpha.h (WORD_SWITCH_TAKES_ARG): Remove.

43
gcc/config/sh/sh.c
View File

@ -255,6 +255,7 @@ static int sh_pr_n_sets (void);
static rtx sh_allocate_initial_value (rtx);
static bool sh_legitimate_address_p (enum machine_mode, rtx, bool);
static rtx sh_legitimize_address (rtx, rtx, enum machine_mode);
static rtx sh_delegitimize_address (rtx);
static int shmedia_target_regs_stack_space (HARD_REG_SET *);
static int shmedia_reserve_space_for_target_registers_p (int, HARD_REG_SET *);
static int shmedia_target_regs_stack_adjust (HARD_REG_SET *);
@ -459,6 +460,9 @@ static const struct default_options sh_option_optimization_table[] =
#undef TARGET_SCHED_INIT
#define TARGET_SCHED_INIT sh_md_init
#undef TARGET_DELEGITIMIZE_ADDRESS
#define TARGET_DELEGITIMIZE_ADDRESS sh_delegitimize_address
#undef TARGET_LEGITIMIZE_ADDRESS
#define TARGET_LEGITIMIZE_ADDRESS sh_legitimize_address
@ -9873,6 +9877,45 @@ sh_legitimize_reload_address (rtx *p, enum machine_mode mode, int opnum,
return true;
}
/* In the name of slightly smaller debug output, and to cater to
general assembler lossage, recognize various UNSPEC sequences
and turn them back into a direct symbol reference. */
static rtx
sh_delegitimize_address (rtx orig_x)
{
rtx x, y;
orig_x = delegitimize_mem_from_attrs (orig_x);
x = orig_x;
if (MEM_P (x))
x = XEXP (x, 0);
if (GET_CODE (x) == CONST)
{
y = XEXP (x, 0);
if (GET_CODE (y) == UNSPEC)
{
if (XINT (y, 1) == UNSPEC_GOT
|| XINT (y, 1) == UNSPEC_GOTOFF)
return XVECEXP (y, 0, 0);
else if (TARGET_SHMEDIA
&& (XINT (y, 1) == UNSPEC_EXTRACT_S16
|| XINT (y, 1) == UNSPEC_EXTRACT_U16))
{
rtx offset = XVECEXP (y, 0, 1);
x = gen_rtx_PLUS (Pmode, XVECEXP (y, 0, 0), offset);
if (MEM_P (orig_x))
x = replace_equiv_address_nv (orig_x, x);
return x;
}
}
}
return orig_x;
}
/* Mark the use of a constant in the literal table. If the constant
has multiple labels, make it unique. */
static rtx