i386.md has
;; The special asm out single letter directives following a '%' are:
;; 'z' mov%z1 would be movl, movw, or movb depending on the mode of
;; operands[1].
But what %z really does is
;; 'z' print the instruction suffix for the size of the current
;; memory operand on x87 instructions and register operand on
;; integer instructions.
When people are reading gcc source, they will get wrong information.
--
Summary: Incorrect comments for %z modifier
Product: gcc
Version: 4.3.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hjl dot tools at gmail dot com
GCC target triplet: x86
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39935
