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authorUlrich Weigand <uweigand@de.ibm.com>2014-07-24 17:15:12 +0000
committerUlrich Weigand <uweigand@gcc.gnu.org>2014-07-24 17:15:12 +0000
commit9832651228968caed48dab8a1c892b7c605e7703 (patch)
tree0a562ea81d75119f66c3d52308785919bbd0d5c3 /gcc
parente1089c7a5caebffb0986d87435d2bfaf6bb55d89 (diff)
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rs6000-protos.h (rs6000_special_adjust_field_align_p): Add prototype.
gcc/ * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align_p): Add prototype. * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p): New function. * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Call it. * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise. * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise. gcc/testsuite/ * gcc.target/powerpc/ppc64-abi-warn-3.c: New test. * gcc.c-torture/execute/20050316-1.x: Add -Wno-psabi. * gcc.c-torture/execute/20050604-1.x: Add -Wno-psabi. * gcc.c-torture/execute/20050316-3.x: New file. Add -Wno-psabi. * gcc.c-torture/execute/pr23135.x: Likewise. From-SVN: r213017
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog10
-rw-r--r--gcc/config/rs6000/freebsd64.h2
-rw-r--r--gcc/config/rs6000/linux64.h2
-rw-r--r--gcc/config/rs6000/rs6000-protos.h1
-rw-r--r--gcc/config/rs6000/rs6000.c26
-rw-r--r--gcc/config/rs6000/sysv4.h2
-rw-r--r--gcc/testsuite/ChangeLog9
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/20050316-1.x1
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/20050316-3.x2
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/20050604-1.x1
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/pr23135.x2
-rw-r--r--gcc/testsuite/gcc.target/powerpc/ppc64-abi-warn-3.c9
12 files changed, 64 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5436866..8343c89 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,15 @@
2014-07-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+ * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align_p):
+ Add prototype.
+ * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p): New
+ function.
+ * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Call it.
+ * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
+ * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
+
+2014-07-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
* config/rs6000/rs6000.c (rs6000_function_arg_boundary): In the AIX
and ELFv2 ABI, do not use the "mode == BLKmode" check to test for
aggregate types. Instead, *all* aggregate types, except for single-
diff --git a/gcc/config/rs6000/freebsd64.h b/gcc/config/rs6000/freebsd64.h
index 4f678f6..1f3ef19 100644
--- a/gcc/config/rs6000/freebsd64.h
+++ b/gcc/config/rs6000/freebsd64.h
@@ -367,7 +367,7 @@ extern int dot_symbols;
/* PowerPC64 Linux word-aligns FP doubles when -malign-power is given. */
#undef ADJUST_FIELD_ALIGN
#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
- ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
+ (rs6000_special_adjust_field_align_p ((FIELD), (COMPUTED)) \
? 128 \
: (TARGET_64BIT \
&& TARGET_ALIGN_NATURAL == 0 \
diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
index dbc9a52..0ca05d2 100644
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -246,7 +246,7 @@ extern int dot_symbols;
/* PowerPC64 Linux word-aligns FP doubles when -malign-power is given. */
#undef ADJUST_FIELD_ALIGN
#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
- ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
+ (rs6000_special_adjust_field_align_p ((FIELD), (COMPUTED)) \
? 128 \
: (TARGET_64BIT \
&& TARGET_ALIGN_NATURAL == 0 \
diff --git a/gcc/config/rs6000/rs6000-protos.h b/gcc/config/rs6000/rs6000-protos.h
index 83581ac0..82564db 100644
--- a/gcc/config/rs6000/rs6000-protos.h
+++ b/gcc/config/rs6000/rs6000-protos.h
@@ -155,6 +155,7 @@ extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool, rtx);
#ifdef TREE_CODE
extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
+extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
unsigned int);
extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 49d50a6..b52b8a1 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -5880,6 +5880,32 @@ rs6000_data_alignment (tree type, unsigned int align, enum data_align how)
return align;
}
+/* Previous GCC releases forced all vector types to have 16-byte alignment. */
+
+bool
+rs6000_special_adjust_field_align_p (tree field, unsigned int computed)
+{
+ if (TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (field)) == VECTOR_TYPE)
+ {
+ if (computed != 128)
+ {
+ static bool warned;
+ if (!warned && warn_psabi)
+ {
+ warned = true;
+ inform (input_location,
+ "the layout of aggregates containing vectors with"
+ " %d-byte alignment has changed in GCC 4.10",
+ computed / BITS_PER_UNIT);
+ }
+ }
+ /* In current GCC there is no special case. */
+ return false;
+ }
+
+ return false;
+}
+
/* AIX increases natural record alignment to doubleword if the first
field is an FP double while the FP fields remain word aligned. */
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index d04e6e4..b96c5d9 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -292,7 +292,7 @@ do { \
/* 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) \
+ (rs6000_special_adjust_field_align_p ((FIELD), (COMPUTED)) \
? 128 : COMPUTED)
#undef BIGGEST_FIELD_ALIGNMENT
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bf929fa..17daa07 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,14 @@
2014-07-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+ * gcc.target/powerpc/ppc64-abi-warn-3.c: New test.
+
+ * gcc.c-torture/execute/20050316-1.x: Add -Wno-psabi.
+ * gcc.c-torture/execute/20050604-1.x: Add -Wno-psabi.
+ * gcc.c-torture/execute/20050316-3.x: New file. Add -Wno-psabi.
+ * gcc.c-torture/execute/pr23135.x: Likewise.
+
+2014-07-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
* gcc.target/powerpc/ppc64-abi-warn-2.c: New test.
2014-07-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
diff --git a/gcc/testsuite/gcc.c-torture/execute/20050316-1.x b/gcc/testsuite/gcc.c-torture/execute/20050316-1.x
index 121fcfe..cb2d28f 100644
--- a/gcc/testsuite/gcc.c-torture/execute/20050316-1.x
+++ b/gcc/testsuite/gcc.c-torture/execute/20050316-1.x
@@ -4,4 +4,5 @@ if { [check_effective_target_int16] } {
return 1
}
+set additional_flags "-Wno-psabi"
return 0;
diff --git a/gcc/testsuite/gcc.c-torture/execute/20050316-3.x b/gcc/testsuite/gcc.c-torture/execute/20050316-3.x
new file mode 100644
index 0000000..cb7b119
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20050316-3.x
@@ -0,0 +1,2 @@
+set additional_flags "-Wno-psabi"
+return 0
diff --git a/gcc/testsuite/gcc.c-torture/execute/20050604-1.x b/gcc/testsuite/gcc.c-torture/execute/20050604-1.x
index f5b4aaa..756242d 100644
--- a/gcc/testsuite/gcc.c-torture/execute/20050604-1.x
+++ b/gcc/testsuite/gcc.c-torture/execute/20050604-1.x
@@ -6,4 +6,5 @@ if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } {
set additional_flags "-mno-mmx"
}
+set additional_flags "-Wno-psabi"
return 0
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr23135.x b/gcc/testsuite/gcc.c-torture/execute/pr23135.x
new file mode 100644
index 0000000..cb7b119
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr23135.x
@@ -0,0 +1,2 @@
+set additional_flags "-Wno-psabi"
+return 0
diff --git a/gcc/testsuite/gcc.target/powerpc/ppc64-abi-warn-3.c b/gcc/testsuite/gcc.target/powerpc/ppc64-abi-warn-3.c
new file mode 100644
index 0000000..22cad0c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/ppc64-abi-warn-3.c
@@ -0,0 +1,9 @@
+/* { dg-do compile { target { powerpc*-*-linux* && lp64 } } } */
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-maltivec" } */
+
+struct test
+ {
+ int a __attribute__((vector_size (8)));
+ }; /* { dg-message "note: the layout of aggregates containing vectors with 8-byte alignment has changed" } */
+
generated by cgit v1.1 at 2025-08-10 04:22:29 +0000