diff options
Diffstat (limited to 'gcc/doc/rtl.texi')
| -rw-r--r-- | gcc/doc/rtl.texi | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi index 8368b49f39c..8a97a5d2e0b 100644 --- a/gcc/doc/rtl.texi +++ b/gcc/doc/rtl.texi @@ -630,6 +630,13 @@ In @code{mem}, @code{asm_operands}, and @code{asm_input} expressions, nonzero for volatile memory references. Stored in the @code{volatil} field and printed as @samp{/v}. +@findex MEM_NOTRAP_P +@cindex @code{mem} and @samp{/c} +@cindex @code{call}, in @code{mem} +@item MEM_NOTRAP_P (@var{x}) +In @code{mem}, nonzero for memory references that will not trap. +Stored in the @code{call} field and printed as @samp{/c}. + @findex REG_FUNCTION_VALUE_P @cindex @code{reg} and @samp{/i} @cindex @code{integrated}, in @code{reg} @@ -847,7 +854,7 @@ These are the fields to which the above macros refer: @findex call @cindex @samp{/c} in RTL dump @item call -This flag is currently unused. +In a @code{mem}, 1 means that the memory reference will not trap. In an RTL dump, this flag is represented as @samp{/c}. |