rs6000.h, [...]: Revert last two patches.

	* config/rs6000/rs6000.h, config/rs6000/aix.h,
	config/rs6000/darwin.h, config/rs6000/linux64.h: Revert last
	two patches.
	* config/rs6000/sysv4.h: Likewise, remove #undef ADJUST_FIELD_ALIGN.

From-SVN: r56135

gcc/ChangeLog

+2002-08-08  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/rs6000/rs6000.h, config/rs6000/aix.h,
+	config/rs6000/darwin.h, config/rs6000/linux64.h: Revert last
+	two patches.
+	* config/rs6000/sysv4.h: Likewise, remove #undef ADJUST_FIELD_ALIGN.
+
 2002-08-08  Lars Brinkhoff  <lars@nocrew.org>
 	    Richard Henderson  <rth@redhat.com>
 

gcc/config/rs6000/aix.h

@@ -128,6 +128,13 @@ Boston, MA 02111-1307, USA.  */
 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
 %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}} -lc"
 
+/* AIX word-aligns FP doubles but doubleword-aligns 64-bit ints.  */
+#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
+  (TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \
+	      ? get_inner_array_type (FIELD) \
+	      : TREE_TYPE (FIELD)) == DFmode \
+   ? MIN ((COMPUTED), 32) : (COMPUTED))
+
 /* AIX increases natural record alignment to doubleword if the first
    field is an FP double while the FP fields remain word aligned.  */
 #define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED)	\

gcc/config/rs6000/darwin.h

@@ -196,6 +196,13 @@ Boston, MA 02111-1307, USA.  */
 /* Fix for emit_group_load (): force large constants to be pushed via regs.  */
 #define ALWAYS_PUSH_CONSTS_USING_REGS_P		1
 
+/* Darwin word-aligns FP doubles but doubleword-aligns 64-bit ints.  */
+#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
+  (TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \
+	      ? get_inner_array_type (FIELD) \
+	      : TREE_TYPE (FIELD)) == DFmode \
+   ? MIN ((COMPUTED), 32) : (COMPUTED))
+
 /* Darwin increases natural record alignment to doubleword if the first
    field is an FP double while the FP fields remain word aligned.  */
 #define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED)	\

gcc/config/rs6000/linux64.h

@@ -72,6 +72,13 @@ Boston, MA 02111-1307, USA.  */
 
 #define USER_LABEL_PREFIX  ""
 
+/* AIX word-aligns FP doubles but doubleword-aligns 64-bit ints.  */
+#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
+  (TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \
+	      ? get_inner_array_type (FIELD) \
+	      : TREE_TYPE (FIELD)) == DFmode \
+   ? MIN ((COMPUTED), 32) : (COMPUTED))
+
 /* AIX increases natural record alignment to doubleword if the first
    field is an FP double while the FP fields remain word aligned.  */
 #undef ROUND_TYPE_ALIGN

gcc/config/rs6000/rs6000.h

@@ -631,15 +631,6 @@ extern int rs6000_default_long_calls;
 /* A bitfield declared as `int' forces `int' alignment for the struct.  */
 #define PCC_BITFIELD_TYPE_MATTERS 1
 
-/* Most ABIs word-align FP doubles but doubleword-align 64-bit ints.  */
-#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
-  (DEFAULT_ABI == ABI_V4						\
-   ? ((TARGET_ALTIVEC							\
-       && TREE_CODE (get_inner_array_type (FIELD)) == VECTOR_TYPE)	\
-      ? 128 : (COMPUTED))						\
-   : ((TYPE_MODE (get_inner_array_type (FIELD)) == DFmode)		\
-      ? MIN (32, (COMPUTED)) : (COMPUTED)))
-
 /* Make strings word-aligned so strcpy from constants will be faster.
    Make vector constants quadword aligned.  */
 #define CONSTANT_ALIGNMENT(EXP, ALIGN)                           \

gcc/config/rs6000/sysv4.h

@@ -380,6 +380,12 @@ do {									\
 /* Real stack boundary as mandated by the appropriate ABI.  */
 #define ABI_STACK_BOUNDARY ((TARGET_EABI && !TARGET_ALTIVEC_ABI) ? 64 : 128)
 
+/* An expression for the alignment of a structure field FIELD if the
+   alignment computed in the usual way is COMPUTED.  */
+#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED)				      \
+	((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE)     \
+	 ? 128 : COMPUTED)
+
 /* Define this macro as an expression for the alignment of a type
    (given by TYPE as a tree node) if the alignment computed in the
    usual way is COMPUTED and the alignment explicitly specified was