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| author | MITSUNARI Shigeo <[email protected]> | 2023-11-17 17:19:33 +0900 |
|---|---|---|
| committer | MITSUNARI Shigeo <[email protected]> | 2023-11-17 17:19:36 +0900 |
| commit | 1d3a19a50a065439fd7f34d79fffb87bbd00f96a (patch) | |
| tree | 59fc4550bba6528e9383d5274f20a6c300f73010 /doc | |
| parent | 273d8d5b6bc3df51df6137b803bdb15e67289fe0 (diff) | |
| download | xbyak-1d3a19a50a065439fd7f34d79fffb87bbd00f96a.tar.gz xbyak-1d3a19a50a065439fd7f34d79fffb87bbd00f96a.zip | |
update doc of apx
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/usage.md | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/usage.md b/doc/usage.md index cfaafc0..2b5e211 100644 --- a/doc/usage.md +++ b/doc/usage.md @@ -131,12 +131,15 @@ vpdpbusd(xm0, xm1, xm2); // VEX encoding ## APX - Support 16 additional GPRs (general-purpose registers) r16, ..., r31 - Support three-operand instruction -- Support NF (status flags update suppression) +- Support T_nf for NF=1 (status flags update suppression) +- Support T_zu for NF=ZU (zero upper) e.g. -- `add(r20, r21, r23)`; +- `add(r20, r21, r23);` - `add(r20, ptr[rax + rcx * 8 + 0x1234], r23);` -- `add(r20|T_nf, r21, r23)`; // set EVEX.NF = 1 +- `add(r20|T_nf, r21, r23);` // set EVEX.NF=1 +- `imul(ax|T_zu, cx, 0x1234);` // set ND=ZU +- `imul(ax|T_zu|T_nf, cx, 0x1234);` // set ND=ZU and EVEX.NF=1 ## Label Two kinds of Label are supported. (String literal and Label class). |