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Diffstat (limited to 'gcc/rtl.texi')
-rw-r--r-- | gcc/rtl.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/rtl.texi b/gcc/rtl.texi index 539d420d073..3a4de0c67c1 100644 --- a/gcc/rtl.texi +++ b/gcc/rtl.texi @@ -1212,6 +1212,14 @@ by incrementing it, but there is no need to mention this in the RTL. This RTX represents a reference to main memory at an address represented by the expression @var{addr}. @var{m} specifies how large a unit of memory is accessed. + +@findex addressof +@item (addressof:@var{m} @var{reg}) +This RTX represents a request for the address of register @var{reg}. Its mode +is always @code{Pmode}. If there are any @code{addressof} +expressions left in the function after CSE, @var{reg} is forced into the +stack and the @code{addressof} expression is replaced with a @code{plus} +expression for the address of its stack slot. @end table @node Arithmetic, Comparisons, Regs and Memory, RTL |