commit 08b8b1baf06212c0aa0058b3e6fd555dbde0cd86
author Masaki Ota @MagurosanTeam <masaki.daejeon@gmail.com> Mon Sep 23 03:57:46 2019 +0900
committer MITSUNARI Shigeo <herumi@nifty.com> Mon Sep 23 12:04:36 2019 +0900
tree 348fe772f85bb2554ce38fe70fd8a03994371508
parent 2501ba9a1fc437127ef15f4f5e78e98e7dfa03ff

Support AMD Zen New Instructions.

gen/gen_code.cpp

diff --git a/gen/gen_code.cpp b/gen/gen_code.cpp
index b414fd9..9f988cd 100644
--- a/gen/gen_code.cpp
+++ b/gen/gen_code.cpp
@@ -767,6 +767,11 @@
 			{ "fxtract", 0xD9, 0xF4 },
 			{ "fyl2x", 0xD9, 0xF1 },
 			{ "fyl2xp1", 0xD9, 0xF9 },
+
+			// AMD Zen
+			{ "monitorx", 0x0F, 0x01, 0xFA },
+			{ "mwaitx", 0x0F, 0x01, 0xFB },
+			{ "clzero", 0x0F, 0x01, 0xFC },
 		};
 		putGeneric(tbl, NUM_OF_ARRAY(tbl));
 		puts("void enter(uint16 x, uint8 y) { db(0xC8); dw(x); db(y); }");

xbyak/xbyak_mnemonic.h

diff --git a/xbyak/xbyak_mnemonic.h b/xbyak/xbyak_mnemonic.h
index 88b190b..92a5927 100644
--- a/xbyak/xbyak_mnemonic.h
+++ b/xbyak/xbyak_mnemonic.h
@@ -60,6 +60,7 @@
 void clflush(const Address& addr) { opModM(addr, Reg32(7), 0x0F, 0xAE); }
 void clflushopt(const Address& addr) { db(0x66); opModM(addr, Reg32(7), 0x0F, 0xAE); }
 void cli() { db(0xFA); }
+void clzero() { db(0x0F); db(0x01); db(0xFC); }
 void cmc() { db(0xF5); }
 void cmova(const Reg& reg, const Operand& op) { opModRM(reg, op, op.isREG(16 | i32e), op.isMEM(), 0x0F, 0x40 | 7); }//-V524
 void cmovae(const Reg& reg, const Operand& op) { opModRM(reg, op, op.isREG(16 | i32e), op.isMEM(), 0x0F, 0x40 | 3); }//-V524
@@ -485,6 +486,7 @@
 void minsd(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x5D, 0xF2, isXMM_XMMorMEM); }
 void minss(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x5D, 0xF3, isXMM_XMMorMEM); }
 void monitor() { db(0x0F); db(0x01); db(0xC8); }
+void monitorx() { db(0x0F); db(0x01); db(0xFA); }
 void movapd(const Address& addr, const Xmm& xmm) { db(0x66); opModM(addr, xmm, 0x0F, 0x29); }
 void movapd(const Xmm& xmm, const Operand& op) { opMMX(xmm, op, 0x28, 0x66); }
 void movaps(const Address& addr, const Xmm& xmm) { opModM(addr, xmm, 0x0F, 0x29); }
@@ -541,6 +543,7 @@
 void mulss(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x59, 0xF3, isXMM_XMMorMEM); }
 void mulx(const Reg32e& r1, const Reg32e& r2, const Operand& op) { opGpr(r1, r2, op, T_F2 | T_0F38, 0xf6, true); }
 void mwait() { db(0x0F); db(0x01); db(0xC9); }
+void mwaitx() { db(0x0F); db(0x01); db(0xFB); }
 void neg(const Operand& op) { opR_ModM(op, 0, 3, 0xF6); }
 void not_(const Operand& op) { opR_ModM(op, 0, 2, 0xF6); }
 void or_(const Operand& op, uint32 imm) { opRM_I(op, imm, 0x08, 1); }