Enable test cases for

LD1/ST1 (multiple 1-elem structs to/from 2 regs 
LD1/ST1 (multiple 1-elem structs to/from 3 regs 
LD1/ST1 (multiple 1-elem structs to/from 4 regs  
LD1R (single structure, replicate)  
LD2R (single structure, replicate) 
LD3R (single structure, replicate) 
LD4R (single structure, replicate) 
LD1/ST1 (single structure, to/from one lane) 
LD2/ST2 (single structure, to/from one lane) 
LD3/ST3 (single structure, to/from one lane) 
LD4/ST4 (single structure, to/from one lane)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14667 a5019735-40e9-0310-863c-91ae7b9d1cf9