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Re: RFA: xscale-elf -mstrict-prototypes


> Provided this doesn't also inhibit the caller-side promotion, yes.
No it does not inhibit call-site promotion.

Updated patch is attached.  No regressions.
OK to commit to mainline?

Jim.

-- 
James Lemke   jim@wasabisystems.com   Orillia, Ontario
http://www.wasabisystems.com
Index: ChangeLog
===================================================================
RCS file: /cvs/gcc/gcc/gcc/ChangeLog,v
retrieving revision 2.3096
diff -u -p -r2.3096 ChangeLog
--- ChangeLog	8 Mar 2004 15:41:25 -0000	2.3096
+++ ChangeLog	10 Mar 2004 18:47:16 -0000
@@ -1,3 +1,7 @@
+2004-03-09  James Lemke <jim@wasabisystems.com>
+
+	* config/arm/arm.c (TARGET_PROMOTE_PROTOTYPES): Set to false.
+
 2004-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/pdp11/pdp11.c (comparison_operator_index): Remove.
Index: config/arm/arm.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/arm/arm.c,v
retrieving revision 1.336
diff -u -p -r1.336 arm.c
--- config/arm/arm.c	3 Mar 2004 08:34:43 -0000	1.336
+++ config/arm/arm.c	10 Mar 2004 18:47:40 -0000
@@ -242,7 +242,7 @@ static void arm_setup_incoming_varargs (
 #undef TARGET_PROMOTE_FUNCTION_ARGS
 #define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_true
 #undef TARGET_PROMOTE_PROTOTYPES
-#define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
+#define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_false
 
 #undef TARGET_STRUCT_VALUE_RTX
 #define TARGET_STRUCT_VALUE_RTX arm_struct_value_rtx
Index: testsuite/ChangeLog
===================================================================
RCS file: /cvs/gcc/gcc/gcc/testsuite/ChangeLog,v
retrieving revision 1.3581
diff -u -p -r1.3581 ChangeLog
--- testsuite/ChangeLog	8 Mar 2004 06:48:50 -0000	1.3581
+++ testsuite/ChangeLog	10 Mar 2004 18:48:09 -0000
@@ -1,3 +1,7 @@
+2004-03-09  James Lemke  <jim@wasabisystems.com>
+
+	* gcc.dg/arm-g4-[12].c: New tests.
+
 2004-03-08  Eric Botcazou  <ebotcazou@act-europe.fr>
 
 	* gcc.c-torture/execute/20040308-1.c: New test.
Index: testsuite/gcc.dg/arm-g4-1.c
===================================================================
RCS file: testsuite/gcc.dg/arm-g4-1.c
diff -N testsuite/gcc.dg/arm-g4-1.c
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ testsuite/gcc.dg/arm-g4-1.c	10 Mar 2004 18:48:35 -0000
@@ -0,0 +1,12 @@
+/* Verify that input arguments are not extended before use on XScale. */
+/* { dg-do compile { target xscale*-*-* } } */
+/* { dg-options "-mcpu=xscale -O2" } */
+
+short int addhi3 (short int a, short int b) __attribute__ ((naked));
+short int addhi3 (short int a, short int b)
+{
+    return a + b + (short int)32;
+}
+
+/* We want to suppress running for -mthumb but not for -mthumb-interwork. */
+/* { dg-final { global compiler_flags; if ![string match "*-mthumb *" $compiler_flags] { scan-assembler-not "add\[ \t]r., *r\[01], *r\[01], *asr \#16" } } } */
Index: testsuite/gcc.dg/arm-g4-2.c
===================================================================
RCS file: testsuite/gcc.dg/arm-g4-2.c
diff -N testsuite/gcc.dg/arm-g4-2.c
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ testsuite/gcc.dg/arm-g4-2.c	10 Mar 2004 18:48:35 -0000
@@ -0,0 +1,12 @@
+/* Verify that input arguments are not extended before use on XScale. */
+/* { dg-do compile { target xscale*-*-* } } */
+/* { dg-options "-mcpu=xscale -O2" } */
+
+char addqi3 (char a, char b) __attribute__ ((naked));
+char addqi3 (char a, char b)
+{
+    return a + b + (char)32;
+}
+
+/* We want to suppress running for -mthumb but not for -mthumb-interwork. */
+/* { dg-final { global compiler_flags; if ![string match "*-mthumb *" $compiler_flags] { scan-assembler-not "and\[ \t]r1, *r1, *\#255" } } } */

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