i386.c (ix86_expand_epilogue): Properly compute size of registers to restore along...

        * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
        of registers to restore along non eh_return path.

From-SVN: r41555

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 323dc838d190f13a5f16480ee8b843744334e679..7e58efaeb56377d367fc0164f0d64abc7f69e75d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-04-25  Richard Henderson  <rth@redhat.com>
+
+       * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
+       of registers to restore along non eh_return path.
+
 2001-04-25  Jakub Jelinek  <jakub@redhat.com>
 
        * c-format.c (check_format_info_recurse): Handle

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 5e5b5a56d78b44f94669bb1f189a9a338632840d..a0e40ba309eaa5bbfcccca0f09ab7099bbf78a2b 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -2591,8 +2591,14 @@ ix86_expand_epilogue (style)
 
   ix86_compute_frame_layout (&frame);
 
-  /* Calculate start of saved registers relative to ebp.  */
-  offset = -frame.nregs * UNITS_PER_WORD;
+  /* Calculate start of saved registers relative to ebp.  Special care 
+     must be taken for the normal return case of a function using
+     eh_return: the eax and edx registers are marked as saved, but not
+     restored along this path.  */
+  offset = frame.nregs;
+  if (current_function_calls_eh_return && style != 2)
+    offset -= 2;
+  offset *= -UNITS_PER_WORD;
 
 #ifdef FUNCTION_BLOCK_PROFILER_EXIT
   if (profile_block_flag == 2)