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allow all arm targets to use -mstructure-size-boundary=XX

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From-SVN: r30220
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Nick Clifton 1999-10-27 18:31:35 +00:00 committed by Nick Clifton
parent a2edce31a6
commit 6ead9ba5a2
4 changed files with 19 additions and 23 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
* config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
definition.
* config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
definition.
* config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
of the variable arm_structure_size_boundary.
Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com> Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
* alias.c (init_alias_analysis): Allocate reg_known_value and * alias.c (init_alias_analysis): Allocate reg_known_value and

13
gcc/config/arm/arm.h
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@ -615,12 +615,15 @@ extern int arm_is_6_or_7;
(TREE_CODE (EXP) == STRING_CST \ (TREE_CODE (EXP) == STRING_CST \
&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
/* Every structures size must be a multiple of 32 bits. */ /* Setting this to 32 produces more efficient code, but the value set in
/* This is for compatibility with ARMCC. ARM SDT Reference Manual previous versions of this toolchain was 8, which produces more compact
(ARM DUI 0020D) page 2-20 says "Structures are aligned on word structures. The command line option -mstructure_size_boundary=<n> can
boundaries". */ be used to change this value, for compatability with the ARM SDK however
the value should be left at 32. ARM SDT Reference Manual (ARM DUI 0020D)
page 2-20 says "Structures are aligned on word boundaries". */
#ifndef STRUCTURE_SIZE_BOUNDARY #ifndef STRUCTURE_SIZE_BOUNDARY
#define STRUCTURE_SIZE_BOUNDARY 32 #define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary
extern int arm_structure_size_boundary;
#endif #endif
/* Used when parsing command line option -mstructure_size_boundary. */ /* Used when parsing command line option -mstructure_size_boundary. */

9
gcc/config/arm/coff.h
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@ -37,15 +37,6 @@ Boston, MA 02111-1307, USA. */
#define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" } #define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" }
/* Setting this to 32 produces more efficient code, but the value set in previous
versions of this toolchain was 8, which produces more compact structures. The
command line option -mstructure_size_boundary=<n> can be used to change this
value. */
#undef STRUCTURE_SIZE_BOUNDARY
#define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary
extern int arm_structure_size_boundary;
/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS /* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS
is a valid machine specific attribute for DECL. is a valid machine specific attribute for DECL.
The attributes in ATTRIBUTES have previously been assigned to DECL. */ The attributes in ATTRIBUTES have previously been assigned to DECL. */

9
gcc/config/arm/elf.h
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@ -172,15 +172,6 @@ Boston, MA 02111-1307, USA. */
#define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" } #define MULTILIB_DEFAULTS { "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" }
#endif #endif
/* Setting this to 32 produces more efficient code, but the value set in previous
versions of this toolchain was 8, which produces more compact structures. The
command line option -mstructure_size_boundary=<n> can be used to change this
value. */
#undef STRUCTURE_SIZE_BOUNDARY
#define STRUCTURE_SIZE_BOUNDARY arm_structure_size_boundary
extern int arm_structure_size_boundary;
/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS /* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS
is a valid machine specific attribute for DECL. is a valid machine specific attribute for DECL.
The attributes in ATTRIBUTES have previously been assigned to DECL. */ The attributes in ATTRIBUTES have previously been assigned to DECL. */