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authorJeff Law <law@gcc.gnu.org>1997-11-02 14:19:36 -0700
committerJeff Law <law@gcc.gnu.org>1997-11-02 14:19:36 -0700
commite9a25f70a0a7b82881b56cb3dfa7422b2968682a (patch)
tree46fe768360493f03f7282d07762e7b26c292aabd /gcc/profile.c
parentbb84e66919817020267815eed4304e543688e722 (diff)
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Update mainline egcs to gcc2 snapshot 971021.
From-SVN: r16278
Diffstat (limited to 'gcc/profile.c')
-rw-r--r--gcc/profile.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/profile.c b/gcc/profile.c
index 1888ad0..4de6166 100644
--- a/gcc/profile.c
+++ b/gcc/profile.c
@@ -41,12 +41,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
achieve this, see Dain Sample's UC Berkeley thesis. */
#include "config.h"
+#include <stdio.h>
#include "rtl.h"
#include "flags.h"
#include "insn-flags.h"
#include "insn-config.h"
#include "output.h"
-#include <stdio.h>
+#include "regs.h"
#include "tree.h"
#include "output.h"
#include "gcov-io.h"
@@ -1514,7 +1515,6 @@ output_arc_profiler (arcno, insert_after)
rtx mem_ref, add_ref;
rtx sequence;
-#ifdef SMALL_REGISTER_CLASSES
/* In this case, reload can use explicitly mentioned hard registers for
reloads. It is not safe to output profiling code between a call
and the instruction that copies the result to a pseudo-reg. This
@@ -1550,11 +1550,15 @@ output_arc_profiler (arcno, insert_after)
else
return_reg = SET_DEST (XVECEXP (PATTERN (insert_after), 0, 0));
- if (reg_referenced_p (return_reg, PATTERN (next_insert_after)))
+ /* Now, NEXT_INSERT_AFTER may be an instruction that uses the
+ return value. However, it could also be something else,
+ like a CODE_LABEL, so check that the code is INSN. */
+ if (next_insert_after != 0
+ && GET_RTX_CLASS (GET_CODE (next_insert_after)) == 'i'
+ && reg_referenced_p (return_reg, PATTERN (next_insert_after)))
insert_after = next_insert_after;
}
}
-#endif
start_sequence ();