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c4x-protos.h (c4x_legitimize_reload_address): Remove.

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* c4x-protos.h (c4x_legitimize_reload_address): Remove.
	* c4x.c (c4x_legitimize_reload_address): Remove.
	* c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
	reload address for ldp(k) insn.

From-SVN: r39194
This commit is contained in:
Herman A.J. ten Brugge 2001-01-23 06:28:15 +01:00 • committed by Michael Hayes
parent 2caa0ddfc9
commit eb253d90de
4 changed files with 54 additions and 38 deletions
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7
gcc/ChangeLog
View file

@ -1,3 +1,10 @@
2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
* c4x-protos.h (c4x_legitimize_reload_address): Remove.
* c4x.c (c4x_legitimize_reload_address): Remove.
* c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
reload address for ldp(k) insn.
Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
* pa.md (return_internal): Add a USE of the PIC register to ensure

2
gcc/config/c4x/c4x-protos.h
View file

@ -91,8 +91,6 @@ extern int c4x_hard_regno_mode_ok PARAMS ((unsigned int, enum machine_mode));
extern struct rtx_def *c4x_legitimize_address PARAMS ((rtx,
enum machine_mode));
extern struct rtx_def *c4x_legitimize_reload_address PARAMS ((rtx, enum machine_mode, rtx));
extern int c4x_address_cost PARAMS ((rtx));
extern void c4x_print_operand PARAMS ((FILE *, rtx, int));

26
gcc/config/c4x/c4x.c
View file

@ -1679,32 +1679,6 @@ c4x_legitimize_address (orig, mode)
}
rtx
c4x_legitimize_reload_address (orig, mode, insn)
rtx orig ATTRIBUTE_UNUSED;
enum machine_mode mode;
rtx insn;
{
if (mode != HImode
&& mode != HFmode
&& GET_MODE (orig) != HImode
&& GET_MODE (orig) != HFmode
&& (GET_CODE (orig) == CONST
|| GET_CODE (orig) == SYMBOL_REF
|| GET_CODE (orig) == LABEL_REF))
{
rtx dp_reg = gen_rtx_REG (Pmode, DP_REGNO);
if (! TARGET_SMALL)
emit_insn_before (gen_rtx_SET (VOIDmode, dp_reg,
gen_rtx_HIGH (Pmode, orig)),
insn);
return gen_rtx_LO_SUM (Pmode, dp_reg, orig);
}
return NULL_RTX;
}
/* Provide the costs of an addressing mode that contains ADDR.
If ADDR is not a valid address, its cost is irrelevant.
This is used in cse and loop optimisation to determine

57
gcc/config/c4x/c4x.h
View file

@ -1705,18 +1705,55 @@ CUMULATIVE_ARGS;
#define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \
{ \
rtx new; \
new = c4x_legitimize_reload_address (X, MODE, insn); \
if (new != NULL_RTX) \
{ \
(X) = new; \
/* We do not have to call push_reload because we do not require \
any more reloads. */ \
goto WIN; \
} \
if (MODE != HImode \
&& MODE != HFmode \
&& GET_MODE (X) != HImode \
&& GET_MODE (X) != HFmode \
&& (GET_CODE (X) == CONST \
|| GET_CODE (X) == SYMBOL_REF \
|| GET_CODE (X) == LABEL_REF)) \
{ \
if (! TARGET_SMALL) \
{ \
int i; \
X = gen_rtx_LO_SUM (GET_MODE (X), \
gen_rtx_HIGH (GET_MODE (X), X), X); \
i = push_reload (XEXP (X, 0), NULL_RTX, \
&XEXP (X, 0), NULL_PTR, \
DP_REG, GET_MODE (X), VOIDmode, 0, 0, \
OPNUM, TYPE); \
/* The only valid reg is DP. This is a fixed reg and will \
normally not be used so force it. */ \
rld[i].reg_rtx = gen_rtx_REG (Pmode, DP_REGNO); \
rld[i].nocombine = 1; \
} \
goto WIN; \
} \
else if (MODE != HImode \
&& MODE != HFmode \
&& GET_MODE (X) != HImode \
&& GET_MODE (X) != HFmode \
&& GET_CODE (X) == LO_SUM \
&& GET_CODE (XEXP (X,0)) == HIGH \
&& (GET_CODE (XEXP (XEXP (X,0),0)) == CONST \
|| GET_CODE (XEXP (XEXP (X,0),0)) == SYMBOL_REF \
|| GET_CODE (XEXP (XEXP (X,0),0)) == LABEL_REF)) \
{ \
if (! TARGET_SMALL) \
{ \
int i = push_reload (XEXP (X, 0), NULL_RTX, \
&XEXP (X, 0), NULL_PTR, \
DP_REG, GET_MODE (X), VOIDmode, 0, 0, \
OPNUM, TYPE); \
/* The only valid reg is DP. This is a fixed reg and will \
normally not be used so force it. */ \
rld[i].reg_rtx = gen_rtx_REG (Pmode, DP_REGNO); \
rld[i].nocombine = 1; \
} \
goto WIN; \
} \
}
/* No mode-dependent addresses on the C4x are autoincrements. */
#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL) \