arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame pointer when thumb backtracing...

	* config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
	pointer when thumb backtracing is on.

	* config/fp-bit.c (abort): Revert change.

From-SVN: r98872

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 944989ebf1b69630e7587bae267857920e04610a..7e2c452ff1416cddee30afbd046ec167b49dc301 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
+       pointer when thumb backtracing is on.
+
+       * config/fp-bit.c (abort): Revert change.
+
 2005-04-27  Ian Lance Taylor  <ian@airs.com>
 
        * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.

diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index e6a049b90676c3e7fd95829774eae469c5dc04c6..b79e02861b5a12707a2fc7279d025d18de8229f2 100644 (file)
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -926,7 +926,9 @@ extern const char * structure_size_string;
      _interwork_r11_call_via_rN().  Making the register global \
      is an easy way of ensuring that it remains valid for all  \
      calls.  */                                                        \
-  if (TARGET_APCS_FRAME || TARGET_CALLER_INTERWORKING)         \
+  if (TARGET_APCS_FRAME || TARGET_CALLER_INTERWORKING          \
+      || (target_flags & (THUMB_FLAG_LEAF_BACKTRACE            \
+                         | THUMB_FLAG_BACKTRACE)))             \
     {                                                          \
       fixed_regs[ARM_HARD_FRAME_POINTER_REGNUM] = 1;           \
       call_used_regs[ARM_HARD_FRAME_POINTER_REGNUM] = 1;       \

diff --git a/gcc/config/fp-bit.c b/gcc/config/fp-bit.c
index 1229bf7e6b8b2a2868a4d70028a45b0f3f0bea0b..795e67ad36a91ec0de2e2bc861a9bd1f1aff3af8 100644 (file)
--- a/gcc/config/fp-bit.c
+++ b/gcc/config/fp-bit.c
@@ -81,7 +81,7 @@ Boston, MA 02111-1307, USA.  */
 #endif
 
 #ifdef EXTENDED_FLOAT_STUBS
-extern __attribute__ ((__noreturn__)) void abort (void);
+extern void abort (void);
 void __extendsfxf2 (void) { abort(); }
 void __extenddfxf2 (void) { abort(); }
 void __truncxfdf2 (void) { abort(); }