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-rw-r--r--gcc/df-problems.c8
-rw-r--r--gcc/doc/rtl.texi4
2 files changed, 6 insertions, 6 deletions
diff --git a/gcc/df-problems.c b/gcc/df-problems.c
index 682cca8..b1e60b3 100644
--- a/gcc/df-problems.c
+++ b/gcc/df-problems.c
@@ -3767,10 +3767,10 @@ df_simulate_fixup_sets (basic_block bb, bitmap live)
df_simulate_artificial_refs_at_top can be called to get a new value
of the sets at the top of the block (this is rarely used).
- It would be trivial to define a similar set of functions that work
- in the forwards direction. The only changes would be to process
- the uses before the defs and properly rename the functions. This
- has so far not been necessary.
+ It would be not be difficult to define a similar set of functions
+ that work in the forwards direction. In that case the functions
+ would ignore the use sets and look for the REG_DEAD and REG_UNUSED
+ notes.
----------------------------------------------------------------------------*/
/* Apply the artificial uses and defs at the end of BB in a backwards
diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi
index 96de365..3191fc8 100644
--- a/gcc/doc/rtl.texi
+++ b/gcc/doc/rtl.texi
@@ -562,7 +562,7 @@ Stored in the @code{unchanging} field and printed as @samp{/u}.
@findex RTL_CONST_CALL_P
@cindex @code{call_insn} and @samp{/u}
@cindex @code{unchanging}, in @code{call_insn}
-@item RTLCONST_OR_PURE_CALL_P (@var{x})
+@item RTL_CONST_CALL_P (@var{x})
In a @code{call_insn} indicates that the insn represents a call to a
const function. Stored in the @code{unchanging} field and printed as
@samp{/u}.
@@ -570,7 +570,7 @@ const function. Stored in the @code{unchanging} field and printed as
@findex RTL_PURE_CALL_P
@cindex @code{call_insn} and @samp{/i}
@cindex @code{return_val}, in @code{call_insn}
-@item RTLCONST_OR_PURE_CALL_P (@var{x})
+@item RTL_PURE_CALL_P (@var{x})
In a @code{call_insn} indicates that the insn represents a call to a
pure function. Stored in the @code{return_val} field and printed as
@samp{/i}.