Gcc 3.3.3 20031106.

5 files changed, 35 insertions, 14 deletions

diff --git a/contrib/gcc/config/rs6000/linux.h b/contrib/gcc/config/rs6000/linux.h
index 593e961..15db88a 100644
--- a/contrib/gcc/config/rs6000/linux.h
+++ b/contrib/gcc/config/rs6000/linux.h
@@ -48,6 +48,9 @@ Boston, MA 02111-1307, USA.  */
 #undef LINK_SHLIB_SPEC
 #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
 
+#define LINK_GCC_C_SEQUENCE_SPEC \
+  "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
 #undef	LIB_DEFAULT_SPEC
 #define LIB_DEFAULT_SPEC "%(lib_linux)"
 
diff --git a/contrib/gcc/config/rs6000/linux64.h b/contrib/gcc/config/rs6000/linux64.h
index 55065c6..a538d02 100644
--- a/contrib/gcc/config/rs6000/linux64.h
+++ b/contrib/gcc/config/rs6000/linux64.h
@@ -137,6 +137,9 @@ Boston, MA 02111-1307, USA.  */
 #undef  LINK_SHLIB_SPEC
 #define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
 
+#define LINK_GCC_C_SEQUENCE_SPEC \
+  "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
 #undef  LIB_DEFAULT_SPEC
 #define LIB_DEFAULT_SPEC "%(lib_linux)"
 
diff --git a/contrib/gcc/config/rs6000/rs6000.c b/contrib/gcc/config/rs6000/rs6000.c
index 3c17f21..13f4ed3 100644
--- a/contrib/gcc/config/rs6000/rs6000.c
+++ b/contrib/gcc/config/rs6000/rs6000.c
@@ -3310,7 +3310,7 @@ function_arg_pass_by_reference (cum, mode, type, named)
 
       return 1;
     }
-  return type && int_size_in_bytes (type) <= 0;
+  return type && int_size_in_bytes (type) < 0;
 }
 
 /* Perform any needed actions needed for a function that is receiving a
@@ -3551,7 +3551,7 @@ rs6000_va_arg (valist, type)
   if (DEFAULT_ABI != ABI_V4)
     {
       /* Variable sized types are passed by reference.  */
-      if (int_size_in_bytes (type) <= 0)
+      if (int_size_in_bytes (type) < 0)
 	{
 	  u = build_pointer_type (type);
 
diff --git a/contrib/gcc/config/rs6000/rs6000.md b/contrib/gcc/config/rs6000/rs6000.md
index 4c95031..4d5ef9d 100644
--- a/contrib/gcc/config/rs6000/rs6000.md
+++ b/contrib/gcc/config/rs6000/rs6000.md
@@ -14308,7 +14308,7 @@
     return \"bdz $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrsi_internal2"
   [(set (pc)
@@ -14332,7 +14332,7 @@
     return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrdi_internal1"
   [(set (pc)
@@ -14356,7 +14356,7 @@
     return \"bdz $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrdi_internal2"
   [(set (pc)
@@ -14380,7 +14380,7 @@
     return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 ;; Similar, but we can use GE since we have a REG_NONNEG.
 
@@ -14406,7 +14406,7 @@
     return \"bdz $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrsi_internal4"
   [(set (pc)
@@ -14430,7 +14430,7 @@
     return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrdi_internal3"
   [(set (pc)
@@ -14454,7 +14454,7 @@
     return \"bdz $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrdi_internal4"
   [(set (pc)
@@ -14478,7 +14478,7 @@
     return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 ;; Similar but use EQ
 
@@ -14504,7 +14504,7 @@
     return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrsi_internal6"
   [(set (pc)
@@ -14528,7 +14528,7 @@
     return \"bdz $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrdi_internal5"
   [(set (pc)
@@ -14552,7 +14552,7 @@
     return \"{bdn|bdnz} $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 (define_insn "*ctrdi_internal6"
   [(set (pc)
@@ -14576,7 +14576,7 @@
     return \"bdz $+8\;b %l0\";
 }"
   [(set_attr "type" "branch")
-   (set_attr "length" "4,12,16")])
+   (set_attr "length" "*,12,16")])
 
 ;; Now the splitters if we could not allocate the CTR register
 
diff --git a/contrib/gcc/config/rs6000/sysv4.h b/contrib/gcc/config/rs6000/sysv4.h
index 3da996f..26450e7 100644
--- a/contrib/gcc/config/rs6000/sysv4.h
+++ b/contrib/gcc/config/rs6000/sysv4.h
@@ -383,6 +383,21 @@ do {									\
 #undef	STACK_BOUNDARY
 #define	STACK_BOUNDARY	(TARGET_ALTIVEC_ABI ? 128 : 64)
 
+/* Define this macro if you wish to preserve a certain alignment for
+   the stack pointer, greater than what the hardware enforces.  The
+   definition is a C expression for the desired alignment (measured
+   in bits).  This macro must evaluate to a value equal to or larger
+   than STACK_BOUNDARY.
+   For the SYSV ABI and variants the alignment of the stack pointer
+   is usually controlled manually in rs6000.c. However, to maintain
+   alignment across alloca () in all circumstances,
+   PREFERRED_STACK_BOUNDARY needs to be set as well.
+   This has the additional advantage of allowing a bigger maximum
+   alignment of user objects on the stack.  */
+
+#undef PREFERRED_STACK_BOUNDARY
+#define PREFERRED_STACK_BOUNDARY 128
+
 /* Real stack boundary as mandated by the appropriate ABI.  */
 #define ABI_STACK_BOUNDARY ((TARGET_EABI && !TARGET_ALTIVEC_ABI) ? 64 : 128)