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200x-xx-xx Nathan Sidwell <nathan@codesourcery.com>

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gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
	(STACK_GROWS_DOWNWARD): Define to 1.
	(FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
	comments, emphasizing that these values are only defaults.
	* config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
	* config/m68k/m68k.c (const_method): Remove trailing whitespace.

From-SVN: r120920
This commit is contained in:
Nathan Sidwell 2007-01-18 19:35:11 +00:00 • committed by Richard Sandiford
parent 565e35c947
commit 85dbf7e225
4 changed files with 16 additions and 9 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
* config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
(STACK_GROWS_DOWNWARD): Define to 1.
(FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
comments, emphasizing that these values are only defaults.
* config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
* config/m68k/m68k.c (const_method): Remove trailing whitespace.
2007-01-18 Richard Sandiford <richard@codesourcery.com>
* config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.

2
gcc/config/m68k/linux.h
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@ -82,7 +82,7 @@ Boston, MA 02110-1301, USA. */
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
#undef LINK_SPEC
#undef LINK_SPEC
#define LINK_SPEC "-m m68kelf %{shared} \
%{!shared: \
%{!static: \

2
gcc/config/m68k/m68k.c
View file

@ -1754,7 +1754,7 @@ const_method (rtx constant)
/* The ColdFire doesn't have byte or word operations. */
/* FIXME: This may not be useful for the m68060 either. */
if (!TARGET_COLDFIRE)
if (!TARGET_COLDFIRE)
{
/* if -256 < N < 256 but N is not in range for a moveq
N^ff will be, so use moveq #N^ff, dreg; not.b dreg. */

12
gcc/config/m68k/m68k.h
View file

@ -577,13 +577,11 @@ extern enum reg_class regno_reg_class[];
/* Moves between fp regs and other regs are two insns. */
#define REGISTER_MOVE_COST(MODE, CLASS1, CLASS2) \
(((CLASS1) == FP_REGS && (CLASS2) != FP_REGS) \
|| ((CLASS2) == FP_REGS && (CLASS1) != FP_REGS) \
? 4 : 2)
((((CLASS1) == FP_REGS) != ((CLASS2) == FP_REGS)) ? 4 : 2)
/* Stack layout; function entry, exit and calling. */
#define STACK_GROWS_DOWNWARD
#define STACK_GROWS_DOWNWARD 1
#define FRAME_GROWS_DOWNWARD 1
#define STARTING_FRAME_OFFSET 0
@ -608,14 +606,14 @@ extern enum reg_class regno_reg_class[];
== void_type_node))) \
? (SIZE) : 0)
/* On the m68k the return value is always in D0. */
/* On the m68k the return value defaults to D0. */
#define FUNCTION_VALUE(VALTYPE, FUNC) \
gen_rtx_REG (TYPE_MODE (VALTYPE), 0)
/* On the m68k the return value is always in D0. */
/* On the m68k the return value defaults to D0. */
#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, 0)
/* On the m68k, D0 is the only register used. */
/* On the m68k, D0 is usually the only register used. */
#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0)
/* Define this to be true when FUNCTION_VALUE_REGNO_P is true for