diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-02-04 00:37:54 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-02-04 00:37:54 +0000 |
| commit | 5ff9d6a469fbbd3861ea49e241b0ccd09aedd62b (patch) | |
| tree | 6604027fe330eb0722c528ee57d3212868794bc4 /tcg/README | |
| parent | bb210e78b35d21f8bfe2addbe64b65f586f5a241 (diff) | |
fixed sign extensions - added explicit side effect op flag - added discard instruction
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3963 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'tcg/README')
| -rw-r--r-- | tcg/README | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tcg/README b/tcg/README index 466e330368..fd72cad357 100644 --- a/tcg/README +++ b/tcg/README @@ -280,6 +280,11 @@ to zero. 64 bit byte swap +* discard_i32/i64 t0 + +Indicate that the value of t0 won't be used later. It is useful to +force dead code elimination. + ********* Type conversions * ext_i32_i64 t0, t1 |