| commit | b17d5ffdb844cf081c86d7df9489f61b4392ca47 | |
| author | Julian Seward <jseward@acm.org> | |
| Sat, 22 Dec 2018 17:04:42 +0000 (22 18:04 +0100) | ||
| committer | Julian Seward <jseward@acm.org> | |
| Sat, 22 Dec 2018 17:04:42 +0000 (22 18:04 +0100) | ||
| tree | d0ab4b604959d712d63af58c806683e2e6499e2e | treesnapshot (tar.gz zip) |
| parent | dda0d80f3db1632b204b522a1dbb009490265b0e | commitdiff |
amd64 back end: generate better code for 2x64<-->V128 and 4x64<-->V256 transfers ..
.. by adding support for MOVQ xmm/ireg and using that to implement 64HLtoV128,
4x64toV256 and their inverses. This reduces the number of instructions,
removes the use of memory as an intermediary, and avoids store-forwarding
stalls.
.. by adding support for MOVQ xmm/ireg and using that to implement 64HLtoV128,
4x64toV256 and their inverses. This reduces the number of instructions,
removes the use of memory as an intermediary, and avoids store-forwarding
stalls.
| VEX/priv/host_amd64_defs.c | diffblobblamehistory | |
| VEX/priv/host_amd64_defs.h | diffblobblamehistory | |
| VEX/priv/host_amd64_isel.c | diffblobblamehistory |