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tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.

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* tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
	* config/c4x/c4x.h: Likewise.
	* stor-layout.c (compute_record_mode): Likewise.
	(layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.

From-SVN: r40200
This commit is contained in:
J"orn Rennecke 2001-03-03 03:53:44 +00:00 committed by Joern Rennecke
parent eaf4e6183e
commit 31a02448c0
4 changed files with 18 additions and 7 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
* tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
* config/c4x/c4x.h: Likewise.
* stor-layout.c (compute_record_mode): Likewise.
(layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2001-03-02 Zack Weinberg <zackw@stanford.edu>
* configure.in: Kill tm.h. Include the files in the $tm_file

3
gcc/config/c4x/c4x.h
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@ -370,7 +370,8 @@ extern const char *c4x_rpts_cycles_string, *c4x_cpu_version_string;
/* If a structure has a floating point field then force structure
to have BLKMODE. */
#define STRUCT_FORCE_BLK(FIELD) (TREE_CODE (TREE_TYPE (FIELD)) == REAL_TYPE)
#define MEMBER_TYPE_FORCES_BLK(FIELD) \
(TREE_CODE (TREE_TYPE (FIELD)) == REAL_TYPE)
/* Number of bits in the high and low parts of a two stage
load of an immediate constant. */

9
gcc/stor-layout.c
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@ -1111,12 +1111,12 @@ compute_record_mode (type)
if (simple_cst_equal (TYPE_SIZE (type), DECL_SIZE (field)))
mode = DECL_MODE (field);
#ifdef STRUCT_FORCE_BLK
#ifdef MEMBER_TYPE_FORCES_BLK
/* With some targets, eg. c4x, it is sub-optimal
to access an aligned BLKmode structure as a scalar. */
if (mode == VOIDmode && STRUCT_FORCE_BLK (field))
if (mode == VOIDmode && MEMBER_TYPE_FORCES_BLK (field))
return;
#endif /* STRUCT_FORCE_BLK */
#endif /* MEMBER_TYPE_FORCES_BLK */
}
/* If we only have one real field; use its mode. This only applies to
@ -1450,6 +1450,9 @@ layout_type (type)
TYPE_MODE (type) = BLKmode;
if (TYPE_SIZE (type) != 0
#ifdef MEMBER_TYPE_FORCES_BLK
&& ! MEMBER_TYPE_FORCES_BLK (type)
#endif
/* BLKmode elements force BLKmode aggregate;
else extract/store fields may lose. */
&& (TYPE_MODE (TREE_TYPE (type)) != BLKmode

6
gcc/tm.texi
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@ -1118,9 +1118,9 @@ get from @code{PCC_BITFIELD_TYPE_MATTERS}.
Like PCC_BITFIELD_TYPE_MATTERS except that its effect is limited to
aligning a bitfield within the structure.
@findex STRUCT_FORCE_BLK
@item STRUCT_FORCE_BLK (@var{field})
Return 1 if a structure containing @var{field} should be accessed using
@findex MEMBER_TYPE_FORCES_BLK
@item MEMBER_TYPE_FORCES_BLK (@var{field})
Return 1 if a structure or array containing @var{field} should be accessed using
@code{BLKMODE}.
Normally, this is not needed. See the file @file{c4x.h} for an example