Properly align parameters on stack for x86.

gcc/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44948
	* config/i386/i386.c (ix86_old_function_arg_boundary): New.
	(ix86_function_arg_boundary): Always align parameters on stack
	in 64bit and align parameters with alignment >= 16byte on stack 
	in 32bit.  Warn alignment change.

gcc/testsuite/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44948
	* g++.dg/abi/param2.C: Add -Wno-psabi for ilp32 x86.
	* g++.dg/vect/pr33860a.cc: Likewise.
	* gcc.c-torture/compile/20070522-1.c: Likewise.
	* gcc.dg/compat/struct-align-1_x.c: Likewise.
	* gcc.dg/compat/struct-align-1_y.c: Likewise.
	* gcc.dg/compat/struct-align-2_x.c: Likewise.
	* gcc.dg/compat/struct-align-2_y.c: Likewise.
	* gcc.dg/pr44136.c: Likewise.

	* gcc.c-torture/compile/pr33617.c: Add -Wno-psabi for x86.
	* gcc.dg/compat/vector-1_x.c: Likewise.
	* gcc.dg/compat/vector-1_y.c: Likewise.
	* gcc.dg/compat/vector-2_x.c: Likewise.
	* gcc.dg/compat/vector-2_y.c: Likewise.
	* gcc.dg/pr43300.c: Likewise.

	* gcc.dg/compat/vector-1a_x.c: Add -Wno-psabi.
	* gcc.dg/compat/vector-1a_y.c: Likewise.
	* gcc.dg/compat/vector-1b_x.c: Likewise.
	* gcc.dg/compat/vector-1b_y.c: Likewise.
	* gcc.dg/compat/vector-2a_x.c: Likewise.
	* gcc.dg/compat/vector-2a_y.c: Likewise.
	* gcc.dg/compat/vector-2b_x.c: Likewise.
	* gcc.dg/compat/vector-2b_y.c: Likewise.
	* gcc.target/i386/pr39162.c: Likewise.
	* gcc.target/i386/pr40906-2.c: Likewise.
	* gcc.target/i386/sse-5.c: Likewise.

	* gcc.dg/pr35442.c: Prune ABI change warnings.

	* gcc.c-torture/execute/pr38151.x: New.
	* gcc.target/i386/pr44948-1a.c: Likewise.
	* gcc.target/i386/pr44948-1b.c: Likewise.
	* gcc.target/i386/pr44948-2a.c: Likewise.
	* gcc.target/i386/pr44948-2b.c: Likewise.

From-SVN: r165965

19 files changed, 25 insertions, 12 deletions

diff --git a/gcc/testsuite/gcc.dg/compat/struct-align-1_x.c b/gcc/testsuite/gcc.dg/compat/struct-align-1_x.c
index 51b2ef4..939db9d 100644
--- a/gcc/testsuite/gcc.dg/compat/struct-align-1_x.c
+++ b/gcc/testsuite/gcc.dg/compat/struct-align-1_x.c
@@ -1,3 +1,5 @@
+/* { dg-options "-Wno-psabi" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
 #include "compat-common.h"
 #include "struct-align-1.h"
 
diff --git a/gcc/testsuite/gcc.dg/compat/struct-align-1_y.c b/gcc/testsuite/gcc.dg/compat/struct-align-1_y.c
index c858e10..77cb098 100644
--- a/gcc/testsuite/gcc.dg/compat/struct-align-1_y.c
+++ b/gcc/testsuite/gcc.dg/compat/struct-align-1_y.c
@@ -1,3 +1,5 @@
+/* { dg-options "-Wno-psabi" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
 #include "compat-common.h"
 #include "struct-align-1.h"
 
diff --git a/gcc/testsuite/gcc.dg/compat/struct-align-2_x.c b/gcc/testsuite/gcc.dg/compat/struct-align-2_x.c
index 2a4ae586..6bfc222 100644
--- a/gcc/testsuite/gcc.dg/compat/struct-align-2_x.c
+++ b/gcc/testsuite/gcc.dg/compat/struct-align-2_x.c
@@ -1,3 +1,5 @@
+/* { dg-options "-Wno-psabi" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
 /* Disable this test for 16-bit targets.  */
 
 #include <limits.h>
diff --git a/gcc/testsuite/gcc.dg/compat/struct-align-2_y.c b/gcc/testsuite/gcc.dg/compat/struct-align-2_y.c
index 0ca2e40..2727015 100644
--- a/gcc/testsuite/gcc.dg/compat/struct-align-2_y.c
+++ b/gcc/testsuite/gcc.dg/compat/struct-align-2_y.c
@@ -1,3 +1,5 @@
+/* { dg-options "-Wno-psabi" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
 /* Disable this test for 16-bit targets.  */
 
 #include <limits.h>
diff --git a/gcc/testsuite/gcc.dg/compat/vector-1_x.c b/gcc/testsuite/gcc.dg/compat/vector-1_x.c
index ab4f88b..29a8170 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-1_x.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-1_x.c
@@ -1,4 +1,5 @@
 /* { dg-options "-w" } */
+/* { dg-options "-w -Wno-psabi" { target { i?86-*-* x86_64-*-* } } } */
 
 #ifndef SKIP_ATTRIBUTE
 
diff --git a/gcc/testsuite/gcc.dg/compat/vector-1_y.c b/gcc/testsuite/gcc.dg/compat/vector-1_y.c
index 5a09c0e..284b98c 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-1_y.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-1_y.c
@@ -1,4 +1,5 @@
 /* { dg-options "-w" } */
+/* { dg-options "-w -Wno-psabi" { target { i?86-*-* x86_64-*-* } } } */
 
 #ifndef SKIP_ATTRIBUTE
 
diff --git a/gcc/testsuite/gcc.dg/compat/vector-1a_x.c b/gcc/testsuite/gcc.dg/compat/vector-1a_x.c
index aa0fa7f..1d39cec 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-1a_x.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-1a_x.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -msse2" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -msse2" } */
 
 #include "vector-1_x.c"
diff --git a/gcc/testsuite/gcc.dg/compat/vector-1a_y.c b/gcc/testsuite/gcc.dg/compat/vector-1a_y.c
index 2c88e19..53b1a7f 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-1a_y.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-1a_y.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -msse2" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -msse2" } */
 
 #include "vector-1_y.c"
diff --git a/gcc/testsuite/gcc.dg/compat/vector-1b_x.c b/gcc/testsuite/gcc.dg/compat/vector-1b_x.c
index fe2565c..f3f76ec 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-1b_x.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-1b_x.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -mavx" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -mavx" } */
 
 #include "vector-1_x.c"
diff --git a/gcc/testsuite/gcc.dg/compat/vector-1b_y.c b/gcc/testsuite/gcc.dg/compat/vector-1b_y.c
index 3212bf5..105282c 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-1b_y.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-1b_y.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -mavx" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -mavx" } */
 
 #include "vector-1_y.c"
diff --git a/gcc/testsuite/gcc.dg/compat/vector-2_x.c b/gcc/testsuite/gcc.dg/compat/vector-2_x.c
index d08c77f..899a3ab 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-2_x.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-2_x.c
@@ -1,5 +1,6 @@
 /* { dg-options "-w" } */
-/* { dg-options "-w -mno-mmx" { target { i?86-*-* x86_64-*-* } } } */
+/* { dg-options "-w -mno-mmx -Wno-psabi" { target { i?86-*-* x86_64-*-* } } } */
+
 
 #ifndef SKIP_ATTRIBUTE
 
diff --git a/gcc/testsuite/gcc.dg/compat/vector-2_y.c b/gcc/testsuite/gcc.dg/compat/vector-2_y.c
index fd5830c..a5ab241 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-2_y.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-2_y.c
@@ -1,5 +1,5 @@
 /* { dg-options "-w" } */
-/* { dg-options "-w -mno-mmx" { target { i?86-*-* x86_64-*-* } } } */
+/* { dg-options "-w -mno-mmx -Wno-psabi" { target { i?86-*-* x86_64-*-* } } } */
 
 #ifndef SKIP_ATTRIBUTE
 
diff --git a/gcc/testsuite/gcc.dg/compat/vector-2a_x.c b/gcc/testsuite/gcc.dg/compat/vector-2a_x.c
index fcfacec..fb62bb8 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-2a_x.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-2a_x.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -msse2" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -msse2" } */
 
 #include "vector-2_x.c"
diff --git a/gcc/testsuite/gcc.dg/compat/vector-2a_y.c b/gcc/testsuite/gcc.dg/compat/vector-2a_y.c
index 3797acb..7cdd195 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-2a_y.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-2a_y.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -msse2" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -msse2" } */
 
 #include "vector-2_y.c"
diff --git a/gcc/testsuite/gcc.dg/compat/vector-2b_x.c b/gcc/testsuite/gcc.dg/compat/vector-2b_x.c
index 4dd3436..71b36be 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-2b_x.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-2b_x.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -mavx" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -mavx" } */
 
 #include "vector-2_x.c"
diff --git a/gcc/testsuite/gcc.dg/compat/vector-2b_y.c b/gcc/testsuite/gcc.dg/compat/vector-2b_y.c
index 2820e0b..9c114bb 100644
--- a/gcc/testsuite/gcc.dg/compat/vector-2b_y.c
+++ b/gcc/testsuite/gcc.dg/compat/vector-2b_y.c
@@ -1,3 +1,3 @@
-/* { dg-options "-w -mno-mmx -mavx" } */
+/* { dg-options "-w -Wno-psabi -mno-mmx -mavx" } */
 
 #include "vector-2_y.c"
diff --git a/gcc/testsuite/gcc.dg/pr35442.c b/gcc/testsuite/gcc.dg/pr35442.c
index 2bf5ce6..875cb0b 100644
--- a/gcc/testsuite/gcc.dg/pr35442.c
+++ b/gcc/testsuite/gcc.dg/pr35442.c
@@ -11,4 +11,4 @@ foo (A a)
 }
 
 /* Ignore a warning that is irrelevant to the purpose of this test.  */
-/* { dg-prune-output ".*GCC vector passed by reference.*" } */
+/* { dg-prune-output "(.*GCC vector passed by reference.*|.*ABI of * passing parameter with.*)" } */
diff --git a/gcc/testsuite/gcc.dg/pr43300.c b/gcc/testsuite/gcc.dg/pr43300.c
index df71dbe..a3d66fe 100644
--- a/gcc/testsuite/gcc.dg/pr43300.c
+++ b/gcc/testsuite/gcc.dg/pr43300.c
@@ -1,5 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-Os -w" } */
+/* { dg-options "-Os -w -Wno-psabi" { target { i?86-*-* x86_64-*-* } } } */
+
 typedef float V2SF __attribute__ ((vector_size (128)));
 
 V2SF
diff --git a/gcc/testsuite/gcc.dg/pr44136.c b/gcc/testsuite/gcc.dg/pr44136.c
index 71c21ab..e053cf8 100644
--- a/gcc/testsuite/gcc.dg/pr44136.c
+++ b/gcc/testsuite/gcc.dg/pr44136.c
@@ -1,7 +1,7 @@
 /* PR debug/44136 */
 /* { dg-do compile } */
 /* { dg-options "-w -O2 -g" } */
-/* { dg-options "-w -O2 -g -mno-sse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+/* { dg-options "-w -Wno-psabi -O2 -g -mno-sse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
 
 #define vector __attribute((vector_size(16)))
 vector float a;