diff options
Diffstat (limited to 'gcc/caller-save.c')
| -rw-r--r-- | gcc/caller-save.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/gcc/caller-save.c b/gcc/caller-save.c index 26be6176fb6..5d8e649c132 100644 --- a/gcc/caller-save.c +++ b/gcc/caller-save.c @@ -637,12 +637,12 @@ insert_restore (struct insn_chain *chain, int before_p, int regno, struct insn_chain *new; rtx mem; - /* A common failure mode if register status is not correct in the RTL - is for this routine to be called with a REGNO we didn't expect to - save. That will cause us to write an insn with a (nil) SET_DEST - or SET_SRC. Instead of doing so and causing a crash later, check - for this common case and abort here instead. This will remove one - step in debugging such problems. */ + /* A common failure mode if register status is not correct in the + RTL is for this routine to be called with a REGNO we didn't + expect to save. That will cause us to write an insn with a (nil) + SET_DEST or SET_SRC. Instead of doing so and causing a crash + later, check for this common case here instead. This will remove + one step in debugging such problems. */ gcc_assert (regno_save_mem[regno][1]); /* Get the pattern to emit and update our status. @@ -710,11 +710,11 @@ insert_save (struct insn_chain *chain, int before_p, int regno, struct insn_chain *new; rtx mem; - /* A common failure mode if register status is not correct in the RTL - is for this routine to be called with a REGNO we didn't expect to - save. That will cause us to write an insn with a (nil) SET_DEST - or SET_SRC. Instead of doing so and causing a crash later, check - for this common case and abort here instead. This will remove one + /* A common failure mode if register status is not correct in the + RTL is for this routine to be called with a REGNO we didn't + expect to save. That will cause us to write an insn with a (nil) + SET_DEST or SET_SRC. Instead of doing so and causing a crash + later, check for this common case here. This will remove one step in debugging such problems. */ gcc_assert (regno_save_mem[regno][1]); |
