diff options
| author | nickc <nickc@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-01-14 20:51:04 +0000 |
|---|---|---|
| committer | nickc <nickc@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-01-14 20:51:04 +0000 |
| commit | 8386a92abc77788a501a23c67853ab5f95437357 (patch) | |
| tree | 5ab565af0b5e42f047abbefe081697352492687d /gcc | |
| parent | 621f6678bd276a87e8bf36b04c507b19ef1e0c49 (diff) | |
| download | gcc-8386a92abc77788a501a23c67853ab5f95437357.tar.gz | |
If RTL checking is enabled, make sure that emit_insn is not used to emit a
jump insn.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31420 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/emit-rtl.c | 11 | ||||
| -rw-r--r-- | gcc/jump.c | 2 |
3 files changed, 20 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fecb80c27b8..6be4d2cde9b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2000-01-14 Nick Clifton <nickc@cygnus.com> + + * emit-rtl.c (emit_insn): If checking is enabled, make sure + that this function has not been used to emit a jump + instruction. + + * jump.c (return_jump_1): Cope with being passed a null rtx. + 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * eh-common.h: PROTO -> PARAMS. diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 304e6d43f93..3ade3c64c47 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -2948,6 +2948,17 @@ emit_insn (pattern) add_insn (insn); } +#ifdef ENABLE_RTL_CHECKING + if (insn + && (returnjump_p (insn) + || (GET_CODE (insn) == SET + && SET_DEST (insn) == pc_rtx))) + { + warning ("ICE: emit_insn used where emit_jump_insn needed:\n"); + debug_rtx (insn); + } +#endif + return insn; } diff --git a/gcc/jump.c b/gcc/jump.c index 1e9377124d5..2edd923d670 100644 --- a/gcc/jump.c +++ b/gcc/jump.c @@ -3757,7 +3757,7 @@ returnjump_p_1 (loc, data) void *data ATTRIBUTE_UNUSED; { rtx x = *loc; - return GET_CODE (x) == RETURN; + return x && GET_CODE (x) == RETURN; } int |