diff options
Diffstat (limited to 'gcc/doc/rtl.texi')
| -rw-r--r-- | gcc/doc/rtl.texi | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi index a0c65557622..ca3c2de9700 100644 --- a/gcc/doc/rtl.texi +++ b/gcc/doc/rtl.texi @@ -3354,13 +3354,6 @@ destination register. Thus, compiler passes prior to register allocation need only check for @code{REG_EQUAL} notes and passes subsequent to register allocation need only check for @code{REG_EQUIV} notes. - -@findex REG_WAS_0 -@item REG_WAS_0 -The single output of this insn contained zero before this insn. -@var{op} is the insn that set it to zero. You can rely on this note if -it is present and @var{op} has not been deleted or turned into a @code{note}; -its absence implies nothing. @end table These notes describe linkages between insns. They occur in pairs: one |
