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

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/target.h b/gcc/target.h
index d3a4af6..63fab54 100644
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -603,6 +603,10 @@ struct gcc_target
   /* True if X is considered to be commutative.  */
   bool (* commutative_p) (const_rtx, int);
 
+  /* Given an invalid address X for a given machine mode, try machine-specific
+     ways to make it legitimate.  Return X or an invalid address on failure.  */
+  rtx (* legitimize_address) (rtx, rtx, enum machine_mode);
+
   /* Given an address RTX, undo the effects of LEGITIMIZE_ADDRESS.  */
   rtx (* delegitimize_address) (rtx);