target.def (cannot_force_const_mem): Add a mode argument.

gcc/
	* target.def (cannot_force_const_mem): Add a mode argument.
	* doc/tm.texi.in (TARGET_CANNOT_FORCE_CONST_MEM): Update accordingly.
	* doc/tm.texi: Regenerate.
	* hooks.h (hook_bool_mode_rtx_false): Declare.
	* hooks.c (hook_bool_mode_const_rtx_false): Fix commentary.
	(hook_bool_mode_const_rtx_true): Likewise.
	(hook_bool_mode_rtx_false): New function.
	* reload.c (CONST_POOL_OK_P): Take a mode argument and require it
	to be non-VOID.  Update call to cannot_force_const_mem.
	(find_reloads): Update accordingly.
	* varasm.c (force_const_mem): Update call to cannot_force_const_mem.
	* config/alpha/alpha.c (alpha_cannot_force_const_mem): Add a mode
	argument.
	* config/arm/arm-protos.h (arm_cannot_force_const_mem): Likewise.
	* config/arm/arm.h (LEGITIMATE_CONSTANT_P): Update call.
	* config/arm/arm.c (arm_cannot_force_const_mem): Add a mode argument.
	* config/bfin/bfin.c (bfin_cannot_force_const_mem): Likewise.
	* config/frv/frv.c (frv_cannot_force_const_mem): Likewise.
	* config/i386/i386.c (ix86_cannot_force_const_mem): Likewise.
	* config/ia64/ia64.c (ia64_cannot_force_const_mem): Likewise.
	* config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to...
	(m68k_cannot_force_const_mem): ...this new function.
	* config/mips/mips.c (mips_cannot_force_const_mem): Add a mode
	argument.
	(mips_const_insns, mips_legitimize_const_move): Update calls.
	(mips_secondary_reload_class): Likewise.
	* config/pa/pa.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to...
	(pa_cannot_force_const_mem): ...this new function.
	* config/rs6000/rs6000.c (TARGET_CANNOT_FORCE_CONST_MEM): Reefine
	to...
	(rs6000_cannot_force_const_mem): ...this new function.
	* config/s390/s390.c (s390_cannot_force_const_mem): Add a mode
	argument.
	* config/sparc/sparc.c (sparc_cannot_force_const_mem): Likewise.
	* config/xtensa/xtensa.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine
	to...
	(xtensa_cannot_force_const_mem): ...this new function.

From-SVN: r172813

2 files changed, 9 insertions, 5 deletions

diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index de0381f..ec55551 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -5553,10 +5553,12 @@ the semantics of these opaque @code{UNSPEC}s by converting them back
 into their original form.
 @end deftypefn
 
-@deftypefn {Target Hook} bool TARGET_CANNOT_FORCE_CONST_MEM (rtx @var{x})
+@deftypefn {Target Hook} bool TARGET_CANNOT_FORCE_CONST_MEM (enum machine_mode @var{mode}, rtx @var{x})
 This hook should return true if @var{x} is of a form that cannot (or
-should not) be spilled to the constant pool.  The default version of
-this hook returns false.
+should not) be spilled to the constant pool.  @var{mode} is the mode
+of @var{x}.
+
+The default version of this hook returns false.
 
 The primary reason to define this hook is to prevent reload from
 deciding that a non-legitimate constant would be better reloaded
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in
index 8ae4595..1c96941 100644
--- a/gcc/doc/tm.texi.in
+++ b/gcc/doc/tm.texi.in
@@ -5533,8 +5533,10 @@ into their original form.
 
 @hook TARGET_CANNOT_FORCE_CONST_MEM
 This hook should return true if @var{x} is of a form that cannot (or
-should not) be spilled to the constant pool.  The default version of
-this hook returns false.
+should not) be spilled to the constant pool.  @var{mode} is the mode
+of @var{x}.
+
+The default version of this hook returns false.
 
 The primary reason to define this hook is to prevent reload from
 deciding that a non-legitimate constant would be better reloaded