tree 994da373128d5911745ab0d08a83398f12dc094f
parent 9517094f720097b51854ef458ffb1971720dddfa
author Aurelien Jarno <aurelien@aurel32.net> 1270839168 +0200
committer Aurelien Jarno <aurelien@aurel32.net> 1271653382 +0200

tcg/arm: add bswap ops

Add an bswap16 and bswap32 ops, either using the rev and rev16
instructions on ARMv6+ or shifts and logical operations on previous
ARM versions. In both cases the result use less instructions than
the pure TCG version.

These ops are also needed by the qemu_ld/st functions.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>