re PR target/51835 (ARM EABI violation when passing arguments to helper floating…

re PR target/51835 (ARM EABI violation when passing arguments to helper floating functions like __aeabi_d2iz)

2012-01-30  Bin Cheng  <bin.cheng@arm.com>

	PR target/51835
	* config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
	for __aeabi_d2iz/__aeabi_d2uiz with hard-float.

testcases:
	PR target/51835
	* gcc.target/arm/pr51835.c: New testcase.

From-SVN: r183733

gcc/ChangeLog

+2012-01-30  Bin Cheng  <bin.cheng@arm.com>
+
+	PR target/51835
+	* config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
+	for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
+
 2012-01-30  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/52028

gcc/config/arm/arm.c

@@ -3680,6 +3680,10 @@ arm_libcall_uses_aapcs_base (const_rtx libcall)
       add_libcall (libcall_htab,
 		   convert_optab_libfunc (trunc_optab, HFmode, SFmode));
       add_libcall (libcall_htab,
+		   convert_optab_libfunc (sfix_optab, SImode, DFmode));
+      add_libcall (libcall_htab,
+		   convert_optab_libfunc (ufix_optab, SImode, DFmode));
+      add_libcall (libcall_htab,
 		   convert_optab_libfunc (sfix_optab, DImode, DFmode));
       add_libcall (libcall_htab,
 		   convert_optab_libfunc (ufix_optab, DImode, DFmode));

gcc/testsuite/ChangeLog

+2012-01-30  Bin Cheng  <bin.cheng@arm.com>
+
+	PR target/51835
+	* gcc.target/arm/pr51835.c: New testcase.
+
 2012-01-30  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/52028

gcc/testsuite/gcc.target/arm/pr51835.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -mfloat-abi=hard -mfpu=fpv4-sp-d16" }  */
+/* { dg-require-effective-target arm_thumb2_ok } */
+
+int func1 (double d)
+{
+  return (int)d;
+}
+unsigned int func2 (double d)
+{
+  return (unsigned int)d;
+}
+
+/* { dg-final { scan-assembler-times "fmrrd\[\\t \]+r0,\[\\t \]*r1,\[\\t \]*d0" 2 } } */