* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD

	and TI_VA_LIST_FPR_COUNTER_FIELD.
	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
	* tree-pass.h (pass_stdarg): Add.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
	* tree-stdarg.c: New file.
	* tree-stdarg.h: New file.
	* Makefile.in (OBJS-common): Add tree-stdarg.o.
	(tree-stdarg.o): Add dependencies.
	* function.h (struct function): Add va_list_gpr_size and
	va_list_fpr_size fields.
	* function.c (allocate_struct_function): Initialize them.
	* target.h (struct gcc_target): Add stdarg_optimize_hook.
	* target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
	(TARGET_INITIALIZER): Add it.

	* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
	va_list_{g,f}pr_counter_field.
	(ix86_setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(ix86_va_start): Don't set up fields that won't be used.

	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
	va_list_{g,f}pr_counter_field.
	(setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(rs6000_va_start): Don't set up fields that won't be used.

	* config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
	(alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
	(va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
	(TARGET_STDARG_OPTIMIZE_HOOK): Define.

	* gcc.dg/tree-ssa/stdarg-1.c: New test.
	* gcc.dg/tree-ssa/stdarg-2.c: New test.
	* gcc.dg/tree-ssa/stdarg-3.c: New test.
	* gcc.dg/tree-ssa/stdarg-4.c: New test.
	* gcc.dg/tree-ssa/stdarg-5.c: New test.
	* gcc.c-torture/execute/stdarg-4.c: New test.

	* gcc.dg/vmx/varargs-1.c (f1, f2, f3): Add missing va_end.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97916 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 37 insertions, 0 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 937b958c9cf..7366371cd23 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,42 @@
 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
 
+	* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
+	and TI_VA_LIST_FPR_COUNTER_FIELD.
+	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
+	* tree-pass.h (pass_stdarg): Add.
+	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
+	* tree-stdarg.c: New file.
+	* tree-stdarg.h: New file.
+	* Makefile.in (OBJS-common): Add tree-stdarg.o.
+	(tree-stdarg.o): Add dependencies.
+	* function.h (struct function): Add va_list_gpr_size and
+	va_list_fpr_size fields.
+	* function.c (allocate_struct_function): Initialize them.
+	* target.h (struct gcc_target): Add stdarg_optimize_hook.
+	* target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
+	(TARGET_INITIALIZER): Add it.
+
+	* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
+	va_list_{g,f}pr_counter_field.
+	(ix86_setup_incoming_varargs): Don't do anything if reg_save
+	area will not be used.  Only save registers that tree-stdarg.c
+	detected they need saving.
+	(ix86_va_start): Don't set up fields that won't be used.
+
+	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
+	va_list_{g,f}pr_counter_field.
+	(setup_incoming_varargs): Don't do anything if reg_save
+	area will not be used.  Only save registers that tree-stdarg.c
+	detected they need saving.
+	(rs6000_va_start): Don't set up fields that won't be used.
+
+	* config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
+	(alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
+	(va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
+	(TARGET_STDARG_OPTIMIZE_HOOK): Define.
+
+2005-04-09  Jakub Jelinek  <jakub@redhat.com>
+
 	PR target/20795
 	* config/i386/i386.c (construct_container): Pass empty aligned
 	struct, union or class in memory.