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flow.c (find_basic_blocks): Correctly determine when a call is within an exception region.

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* flow.c (find_basic_blocks): Correctly determine when a call
        is within an exception region.

From-SVN: r22928
This commit is contained in:
Richard Henderson 1998-10-08 10:01:01 -07:00 • committed by Richard Henderson
parent 0cc291f759
commit c2b7e122db
2 changed files with 11 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
* flow.c (find_basic_blocks): Correctly determine when a call
is within an exception region.
Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
* Makefile.in (cpplib.o): Use unlibsubdir.

7
gcc/flow.c
View file

@ -314,6 +314,7 @@ find_basic_blocks (f, nregs, file, live_reachable_p)
register RTX_CODE prev_code = JUMP_INSN;
register RTX_CODE code;
int eh_region = 0;
int call_had_abnormal_edge = 0;
max_uid_for_flow = 0;
@ -335,7 +336,7 @@ find_basic_blocks (f, nregs, file, live_reachable_p)
i++;
else if (prev_code == CALL_INSN)
{
if (nonlocal_label_list != 0 || eh_region)
if (call_had_abnormal_edge)
i++;
else
{
@ -360,6 +361,10 @@ find_basic_blocks (f, nregs, file, live_reachable_p)
if (code == CALL_INSN && in_libcall_block)
code = INSN;
/* Record whether this call created an edge. */
if (code == CALL_INSN)
call_had_abnormal_edge = (nonlocal_label_list != 0 || eh_region);
if (code != NOTE)
prev_code = code;
else if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_EH_REGION_BEG)