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| author | MITSUNARI Shigeo <[email protected]> | 2016-08-03 13:19:02 +0900 |
|---|---|---|
| committer | MITSUNARI Shigeo <[email protected]> | 2016-08-03 13:19:02 +0900 |
| commit | fc777abfd4ea276e084ac3a4f3490ec174570c71 (patch) | |
| tree | f169c46ffd19b9f31e440b53fb9cacec093c720b /readme.md | |
| parent | 780db6774d7aae09d7494ae4578f07820ac2c648 (diff) | |
| download | xbyak-fc777abfd4ea276e084ac3a4f3490ec174570c71.tar.gz xbyak-fc777abfd4ea276e084ac3a4f3490ec174570c71.zip | |
update document
Diffstat (limited to 'readme.md')
| -rw-r--r-- | readme.md | 19 |
1 files changed, 13 insertions, 6 deletions
@@ -1,5 +1,5 @@ -Xbyak 5.00 ; JIT assembler for x86(IA32), x64(AMD64, x86-64) by C++ +Xbyak 5.01 ; JIT assembler for x86(IA32), x64(AMD64, x86-64) by C++ ============= Abstract @@ -32,7 +32,7 @@ MMX/MMX2/SSE/SSE2/SSE3/SSSE3/SSE4/FPU(*partial*)/AVX/AVX2/FMA/VEX-encoded GPR/AV >Note: Xbyak uses and(), or(), xor(), not() functions, so "-fno-operator-names" option is required on gcc. Or define XBYAK_NO_OP_NAMES and use and_(), or_(), xor_(), not_() instead of them. -and_(), or_(), xor_(), not_() are available if XBYAK_NO_OP_NAMES is not defined. +and_(), or_(), xor_(), not_() are always available. Install ------------- @@ -40,7 +40,6 @@ Install The following files are necessary. Please add the path to your compile directories. * xbyak.h -* xbyak_bin2hex.h * xbyak_mnemonic.h Linux: @@ -90,13 +89,18 @@ mov ax, cs --> mov(ax, cs); ### AVX -You can omit a destination for almost 3-op mnemonics. - vaddps(xmm1, xmm2, xmm3); // xmm1 <- xmm2 + xmm3 - vaddps(xmm2, xmm3); // xmm2 <- xmm2 + xmm3 vaddps(xmm2, xmm3, ptr [rax]); // use ptr to access memory vgatherdpd(xmm1, ptr [ebp+123+xmm2*4], xmm3); +*Remark* +The omitted destination syntax as the following ss disabled. +``` + vaddps(xmm2, xmm3); // xmm2 <- xmm2 + xmm3 +`` +define `XBYAK_ENABLE_OMITTED_OPERAND` if you use it for backward compatibility. +But the newer version will not support it. + ### AVX-512 ``` @@ -282,6 +286,8 @@ Macro * **XBYAK64** is defined on 64bit. * **XBYAK64_WIN** is defined on 64bit Windows(VC) * **XBYAK64_GCC** is defined on 64bit gcc, cygwin +* define **XBYAK_NO_OP_NAMES** on gcc without `-fno-operator-names` +* define **XBYAK_ENABLE_OMITTED_OPERAND** if you use omitted destination such as `vaddps(xmm2, xmm3);`(duplicated in the future) Sample ------------- @@ -309,6 +315,7 @@ The header files under xbyak/ are independent of cybozulib. History ------------- +* 2016/Aug/03 ver 5.01 disable omitted operand * 2016/Jun/24 ver 5.00 support avx-512 instruction set * 2016/Jun/13 avx-512 add mask instructions * 2016/May/05 ver 4.91 add detection of AVX-512 to Xbyak::util::Cpu |