tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.

2009-05-04  Paolo Bonzini  <bonzini@gnu.org>

 	* doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
	* gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/explow.c (memory_address): Use target hook.
	* gcc/targhooks.c (default_legitimize_address): New.
	* gcc/targhooks.h (default_legitimize_address): New.
	* gcc/target.h (legitimize_address): New.
	* gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
	(TARGET_INITIALIZER): Include it.
	* gcc/system.h (LEGITIMIZE_ADDRESS): Poison.

	* config/bfin/bfin-protos.h (legitimize_address): Remove.
	* config/bfin/bfin.c (legitimize_address): Remove.
	* config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
	* config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address): Remove.
	* config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
	* config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.

	* gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
	THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.

	* gcc/config/s390/s390-protos.h (legitimize_address): Delete.
	* gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
	* gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
	* gcc/config/i386/i386-protos.h (legitimize_address): Delete.
	* gcc/config/avr/avr-protos.h (legitimize_address): Delete.
	* gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
	* gcc/config/score/score-protos.h (score_legitimize_address): Delete.
	* gcc/config/arm/arm-protos.h (arm_legitimize_address,
	(thumb_legitimize_address): Delete.
	* gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
	* gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
	* gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
	* gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
	* gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
	* gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address): Delete.
	* gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address): Delete.

	* config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
	* config/m32c/m32c.c (m32c_legitimize_address): Standardize.
	* config/m32r/m32r.c (m32r_legitimize_address): New.
	* config/m68k/m68k.c (m68k_legitimize_address): New.
	* config/score/score.c (score_legitimize_address): Standardize.
	* config/score/score3.c (score3_legitimize_address): Standardize.
	* config/score/score3.h (score3_legitimize_address): Adjust.
	* config/score/score7.c (score7_legitimize_address): Standardize.
	* config/score/score7.h (score7_legitimize_address): Adjust.
	* config/sh/sh.c (sh_legitimize_address): New.
	* config/iq2000/iq2000.c (iq2000_legitimize_address): New.

	* gcc/config/s390/s390.c (legitimize_address): Rename to...
 	(s390_legitimize_address): ... this.
	* gcc/config/sparc/sparc.c (legitimize_address): Rename to...
	(sparc_legitimize_address): ... this.
	* gcc/config/i386/i386.c (legitimize_address): Rename to...
	(ix86_legitimize_address): ... this.
	* gcc/config/avr/avr.c (legitimize_address): Rename to...
	(avr_legitimize_address): ... this.
	* gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
	(mn10300_legitimize_address): ... this.
	* config/alpha/alpha.c (alpha_legitimize_address): Wrap...
	(alpha_legitimize_address_1): ... the old alpha_legitimize_address.
	(alpha_expand_mov): Adjust call.

	* config/frv/frv.c (frv_legitimize_address): Return x on failure.
	* config/spu/spu.c (spu_legitimize_address): Likewise.
	* config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
	* config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.

From-SVN: r147098

3 files changed, 0 insertions, 36 deletions

diff --git a/gcc/config/bfin/bfin-protos.h b/gcc/config/bfin/bfin-protos.h
index e92a7b6..33de846 100644
--- a/gcc/config/bfin/bfin-protos.h
+++ b/gcc/config/bfin/bfin-protos.h
@@ -109,7 +109,6 @@ extern char *bfin_asm_long (void);
 extern char *bfin_asm_short (void);
 extern int log2constp (unsigned HOST_WIDE_INT);
 
-extern rtx legitimize_address (rtx, rtx, Mmode);
 extern bool bfin_legitimate_constant_p (rtx);
 extern int hard_regno_mode_ok (int, Mmode);
 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);	  
diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c
index 63f60e1..17201c6 100644
--- a/gcc/config/bfin/bfin.c
+++ b/gcc/config/bfin/bfin.c
@@ -1418,22 +1418,6 @@ bfin_return_addr_rtx (int count)
   return get_hard_reg_initial_val (Pmode, REG_RETS);
 }
 
-/* Try machine-dependent ways of modifying an illegitimate address X
-   to be legitimate.  If we find one, return the new, valid address,
-   otherwise return NULL_RTX.
-
-   OLDX is the address as it was before break_out_memory_refs was called.
-   In some cases it is useful to look at this to decide what needs to be done.
-
-   MODE is the mode of the memory reference.  */
-
-rtx
-legitimize_address (rtx x ATTRIBUTE_UNUSED, rtx oldx ATTRIBUTE_UNUSED,
-		    enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return NULL_RTX;
-}
-
 static rtx
 bfin_delegitimize_address (rtx orig_x)
 {
diff --git a/gcc/config/bfin/bfin.h b/gcc/config/bfin/bfin.h
index f7f2cd4..d97fe8f 100644
--- a/gcc/config/bfin/bfin.h
+++ b/gcc/config/bfin/bfin.h
@@ -948,25 +948,6 @@ typedef struct {
   } while (0);
 #endif
 
-/* Try machine-dependent ways of modifying an illegitimate address
-   to be legitimate.  If we find one, return the new, valid address.
-   This macro is used in only one place: `memory_address' in explow.c.
-
-   OLDX is the address as it was before break_out_memory_refs was called.
-   In some cases it is useful to look at this to decide what needs to be done.
-
-   MODE and WIN are passed so that this macro can use
-   GO_IF_LEGITIMATE_ADDRESS.
-
-   It is always safe for this macro to do nothing.  It exists to recognize
-   opportunities to optimize the output.
- */
-#define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN)    \
-do {					       \
-   rtx _q = legitimize_address(X, OLDX, MODE); \
-   if (_q) { X = _q; goto WIN; }	       \
-} while (0)
-
 #define HAVE_POST_INCREMENT 1
 #define HAVE_POST_DECREMENT 1
 #define HAVE_PRE_DECREMENT  1