[Bug target/53724] ICE when using the 'd' asm operand modifier

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53724

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2012-06-20 12:25:30 
UTC ---
'd' is used to encode SSE instructions with VEX
encoding.  There are no SSE instructions with YMM
registers.