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| author | Richard Henderson <rth@redhat.com> | 2004-09-08 12:25:04 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-09-08 12:25:04 -0700 |
| commit | 609c39373f26c6dfeea1906dbf48f617c77d4547 (patch) | |
| tree | 47cc9395c91fc7803c2237e6398a38122f55b5e7 | |
| parent | 4e5b002baa5ce9097e3a1a4798b31c83f0e2ef56 (diff) | |
| download | gcc-609c39373f26c6dfeea1906dbf48f617c77d4547.zip gcc-609c39373f26c6dfeea1906dbf48f617c77d4547.tar.gz gcc-609c39373f26c6dfeea1906dbf48f617c77d4547.tar.bz2 | |
re PR rtl-optimization/17186 (ICE in move_for_stack_reg, at reg-stack.c:1065)
PR rtl-opt/17186
* function.c (expand_function_end): Have fall-off-the-end
return path jump around return register setup.
From-SVN: r87199
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/function.c | 11 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20040908-1.c | 12 |
3 files changed, 23 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 063bcff..da841e6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-09-08 Richard Henderson <rth@redhat.com> + + PR rtl-opt/17186 + * function.c (expand_function_end): Have fall-off-the-end + return path jump around return register setup. + 2004-09-08 Eric Botcazou <ebotcazou@libertysurf.fr> * config/sparc/sparc.c (sparc_indent_opcode): New variable. @@ -34,7 +40,6 @@ * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and -segs_read_write_addr. - 2004-09-08 Richard Henderson <rth@redhat.com> * function.c (reference_callee_copied): New. diff --git a/gcc/function.c b/gcc/function.c index 34c5d65..452de0c 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -4411,20 +4411,19 @@ expand_function_end (void) /* Emit the actual code to clobber return register. */ { - rtx seq, after; + rtx seq; start_sequence (); clobber_return_register (); + expand_naked_return (); seq = get_insns (); end_sequence (); - after = emit_insn_after (seq, clobber_after); + emit_insn_after (seq, clobber_after); } - /* Output the label for the naked return from the function, if one is - expected. This is currently used only by __builtin_return. */ - if (naked_return_label) - emit_label (naked_return_label); + /* Output the label for the naked return from the function. */ + emit_label (naked_return_label); /* ??? This should no longer be necessary since stupid is no longer with us, but there are some parts of the compiler (eg reload_combine, and diff --git a/gcc/testsuite/gcc.c-torture/compile/20040908-1.c b/gcc/testsuite/gcc.c-torture/compile/20040908-1.c new file mode 100644 index 0000000..f52bf5e --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20040908-1.c @@ -0,0 +1,12 @@ +/* PR 17186 */ + +double foo() +{ + int i; + double d; + + if (i) + bar(); + else + if (d) return 0; +} |