* config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
* config/sh/sh.c: Include reload.h.
(sh_legitimize_reload_address): New.
* config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
sh_legitimize_reload_address.
From-SVN: r158208
+2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
+ * config/sh/sh.c: Include reload.h.
+ (sh_legitimize_reload_address): New.
+ * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
+ sh_legitimize_reload_address.
+
2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
* config/sh/sh.md (*movqi_pop): New insn pattern.
/* Definitions of target machine for GNU compiler for Renesas / SuperH SH.
Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2003,
- 2004, 2005, 2006, 2007, 2008, 2009
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Steve Chamberlain (sac@cygnus.com).
Improved by Jim Wilson (wilson@cygnus.com).
extern int fp_int_operand (rtx);
extern rtx get_fpscr_rtx (void);
extern bool sh_legitimate_index_p (enum machine_mode, rtx);
+extern bool sh_legitimize_reload_address (rtx *, enum machine_mode, int, int);
extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
extern int nonpic_symbol_mentioned_p (rtx);
extern void emit_sf_insn (rtx);
#include "flags.h"
#include "expr.h"
#include "optabs.h"
+#include "reload.h"
#include "function.h"
#include "regs.h"
#include "hard-reg-set.h"
return x;
}
+/* Attempt to replace *P, which is an address that needs reloading, with
+ a valid memory address for an operand of mode MODE.
+ Like for sh_legitimize_address, for the SH we try to get a normal form
+ of the address. That will allow inheritance of the address reloads. */
+
+bool
+sh_legitimize_reload_address (rtx *p, enum machine_mode mode, int opnum,
+ int itype)
+{
+ enum reload_type type = (enum reload_type) itype;
+
+ if (GET_CODE (*p) == PLUS
+ && (GET_MODE_SIZE (mode) == 4 || GET_MODE_SIZE (mode) == 8)
+ && CONST_INT_P (XEXP (*p, 1))
+ && BASE_REGISTER_RTX_P (XEXP (*p, 0))
+ && ! TARGET_SHMEDIA
+ && ! (TARGET_SH4 && mode == DFmode)
+ && ! (mode == PSImode && type == RELOAD_FOR_INPUT_ADDRESS)
+ && (ALLOW_INDEXED_ADDRESS
+ || XEXP (*p, 0) == stack_pointer_rtx
+ || XEXP (*p, 0) == hard_frame_pointer_rtx))
+ {
+ rtx index_rtx = XEXP (*p, 1);
+ HOST_WIDE_INT offset = INTVAL (index_rtx), offset_base;
+ rtx sum;
+
+ if (TARGET_SH2A && mode == DFmode && (offset & 0x7))
+ {
+ push_reload (*p, NULL_RTX, p, NULL,
+ BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, opnum, type);
+ goto win;
+ }
+ if (TARGET_SH2E && mode == SFmode)
+ {
+ *p = copy_rtx (*p);
+ push_reload (*p, NULL_RTX, p, NULL,
+ BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, opnum, type);
+ goto win;
+ }
+ /* Instead of offset_base 128..131 use 124..127, so that
+ simple add suffices. */
+ if (offset > 127)
+ offset_base = ((offset + 4) & ~60) - 4;
+ else
+ offset_base = offset & ~60;
+ /* Sometimes the normal form does not suit DImode. We could avoid
+ that by using smaller ranges, but that would give less optimized
+ code when SImode is prevalent. */
+ if (offset_base != 0
+ && GET_MODE_SIZE (mode) + offset - offset_base <= 64)
+ {
+ sum = gen_rtx_PLUS (Pmode, XEXP (*p, 0), GEN_INT (offset_base));
+ *p = gen_rtx_PLUS (Pmode, sum, GEN_INT (offset - offset_base));
+ push_reload (sum, NULL_RTX, &XEXP (*p, 0), NULL,
+ BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, opnum, type);
+ goto win;
+ }
+ }
+ /* We must re-recognize what we created before. */
+ else if (GET_CODE (*p) == PLUS
+ && (GET_MODE_SIZE (mode) == 4 || GET_MODE_SIZE (mode) == 8)
+ && GET_CODE (XEXP (*p, 0)) == PLUS
+ && CONST_INT_P (XEXP (XEXP (*p, 0), 1))
+ && BASE_REGISTER_RTX_P (XEXP (XEXP (*p, 0), 0))
+ && CONST_INT_P (XEXP (*p, 1))
+ && ! TARGET_SHMEDIA
+ && ! (TARGET_SH2E && mode == SFmode))
+ {
+ /* Because this address is so complex, we know it must have
+ been created by LEGITIMIZE_RELOAD_ADDRESS before; thus,
+ it is already unshared, and needs no further unsharing. */
+ push_reload (XEXP (*p, 0), NULL_RTX, &XEXP (*p, 0), NULL,
+ BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, opnum, type);
+ goto win;
+ }
+
+ return false;
+
+ win:
+ return true;
+}
+
/* Mark the use of a constant in the literal table. If the constant
has multiple labels, make it unique. */
static rtx
/* Definitions of target machine for GNU compiler for Renesas / SuperH SH.
Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Steve Chamberlain (sac@cygnus.com).
Improved by Jim Wilson (wilson@cygnus.com).
\f
/* A C compound statement that attempts to replace X, which is an address
that needs reloading, with a valid memory address for an operand of
- mode MODE. WIN is a C statement label elsewhere in the code.
-
- Like for LEGITIMIZE_ADDRESS, for the SH we try to get a normal form
- of the address. That will allow inheritance of the address reloads. */
+ mode MODE. WIN is a C statement label elsewhere in the code. */
#define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \
-{ \
- if (GET_CODE (X) == PLUS \
- && (GET_MODE_SIZE (MODE) == 4 || GET_MODE_SIZE (MODE) == 8) \
- && CONST_INT_P (XEXP (X, 1)) \
- && BASE_REGISTER_RTX_P (XEXP (X, 0)) \
- && ! TARGET_SHMEDIA \
- && ! (TARGET_SH4 && (MODE) == DFmode) \
- && ! ((MODE) == PSImode && (TYPE) == RELOAD_FOR_INPUT_ADDRESS) \
- && (ALLOW_INDEXED_ADDRESS \
- || XEXP ((X), 0) == stack_pointer_rtx \
- || XEXP ((X), 0) == hard_frame_pointer_rtx)) \
- { \
- rtx index_rtx = XEXP (X, 1); \
- HOST_WIDE_INT offset = INTVAL (index_rtx), offset_base; \
- rtx sum; \
- \
- if (TARGET_SH2A && (MODE) == DFmode && (offset & 0x7)) \
- { \
- push_reload (X, NULL_RTX, &X, NULL, \
- BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, (OPNUM), \
- (TYPE)); \
- goto WIN; \
- } \
- if (TARGET_SH2E && MODE == SFmode) \
- { \
- X = copy_rtx (X); \
- push_reload (X, NULL_RTX, &X, NULL, \
- BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, (OPNUM), \
- (TYPE)); \
- goto WIN; \
- } \
- /* Instead of offset_base 128..131 use 124..127, so that \
- simple add suffices. */ \
- if (offset > 127) \
- { \
- offset_base = ((offset + 4) & ~60) - 4; \
- } \
- else \
- offset_base = offset & ~60; \
- /* Sometimes the normal form does not suit DImode. We \
- could avoid that by using smaller ranges, but that \
- would give less optimized code when SImode is \
- prevalent. */ \
- if (GET_MODE_SIZE (MODE) + offset - offset_base <= 64) \
- { \
- sum = gen_rtx_PLUS (Pmode, XEXP (X, 0), \
- GEN_INT (offset_base)); \
- X = gen_rtx_PLUS (Pmode, sum, GEN_INT (offset - offset_base));\
- push_reload (sum, NULL_RTX, &XEXP (X, 0), NULL, \
- BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, (OPNUM), \
- (TYPE)); \
- goto WIN; \
- } \
- } \
- /* We must re-recognize what we created before. */ \
- else if (GET_CODE (X) == PLUS \
- && (GET_MODE_SIZE (MODE) == 4 || GET_MODE_SIZE (MODE) == 8) \
- && GET_CODE (XEXP (X, 0)) == PLUS \
- && CONST_INT_P (XEXP (XEXP (X, 0), 1)) \
- && BASE_REGISTER_RTX_P (XEXP (XEXP (X, 0), 0)) \
- && CONST_INT_P (XEXP (X, 1)) \
- && ! TARGET_SHMEDIA \
- && ! (TARGET_SH2E && MODE == SFmode)) \
- { \
- /* Because this address is so complex, we know it must have \
- been created by LEGITIMIZE_RELOAD_ADDRESS before; thus, \
- it is already unshared, and needs no further unsharing. */ \
- push_reload (XEXP ((X), 0), NULL_RTX, &XEXP ((X), 0), NULL, \
- BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, (OPNUM), (TYPE));\
+ do { \
+ if (sh_legitimize_reload_address (&(X), (MODE), (OPNUM), (TYPE))) \
goto WIN; \
- } \
-}
+ } while (0)
\f
/* Specify the machine mode that this machine uses
for the index in the tablejump instruction. */
projects / platform / upstream / gcc.git / commitdiff