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X86: Implement the instructions that move sign bits.

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This commit is contained in:
Gabe Black 2009-08-17 20:22:56 -07:00
parent 90786e43fc
commit 90dc1abd0b
4 changed files with 81 additions and 67 deletions
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92
src/arch/x86/isa/decoder/two_byte_opcodes.isa
View file

@ -459,7 +459,7 @@
0x0A: decode LEGACY_DECODEVAL { 0x0A: decode LEGACY_DECODEVAL {
// no prefix // no prefix
0x0: decode OPCODE_OP_BOTTOM3 { 0x0: decode OPCODE_OP_BOTTOM3 {
0x0: WarnUnimpl::movmskps_Gd_VRo(); 0x0: MOVMSKPS(Gd,VRo);
0x1: SQRTPS(Vo,Wo); 0x1: SQRTPS(Vo,Wo);
0x2: WarnUnimpl::rqsrtps_Vo_Wo(); 0x2: WarnUnimpl::rqsrtps_Vo_Wo();
0x3: WarnUnimpl::rcpps_Vo_Wo(); 0x3: WarnUnimpl::rcpps_Vo_Wo();
@ -477,7 +477,7 @@
} }
// operand size (0x66) // operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 { 0x1: decode OPCODE_OP_BOTTOM3 {
0x0: WarnUnimpl::movmskpd_Gd_VRo(); 0x0: MOVMSKPD(Gd,VRo);
0x1: SQRTPD(Vo,Wo); 0x1: SQRTPD(Vo,Wo);
0x4: ANDPD(Vo,Wo); 0x4: ANDPD(Vo,Wo);
0x5: ANDNPD(Vo,Wo); 0x5: ANDNPD(Vo,Wo);
@ -849,22 +849,23 @@
} }
0x7: Inst::IMUL(Gv,Ev); 0x7: Inst::IMUL(Gv,Ev);
} }
format Inst {
0x16: decode OPCODE_OP_BOTTOM3 { 0x16: decode OPCODE_OP_BOTTOM3 {
0x0: Inst::CMPXCHG(Eb,Gb); 0x0: CMPXCHG(Eb,Gb);
0x1: Inst::CMPXCHG(Ev,Gv); 0x1: CMPXCHG(Ev,Gv);
0x2: lss_Gz_Mp(); 0x2: WarnUnimpl::lss_Gz_Mp();
0x3: Inst::BTR(Ev,Gv); 0x3: BTR(Ev,Gv);
0x4: lfs_Gz_Mp(); 0x4: WarnUnimpl::lfs_Gz_Mp();
0x5: lgs_Gz_Mp(); 0x5: WarnUnimpl::lgs_Gz_Mp();
//The size of the second operand in these instructions should //The size of the second operand in these instructions
//really be "b" or "w", but it's set to v in order to have a //should really be "b" or "w", but it's set to v in order
//consistent register size. This shouldn't affect behavior. //to have a consistent register size. This shouldn't
0x6: Inst::MOVZX_B(Gv,Ev); //affect behavior.
0x7: Inst::MOVZX_W(Gv,Ev); 0x6: MOVZX_B(Gv,Ev);
0x7: MOVZX_W(Gv,Ev);
} }
0x17: decode OPCODE_OP_BOTTOM3 { 0x17: decode OPCODE_OP_BOTTOM3 {
0x0: jmpe_Jz(); // IA-64? 0x0: WarnUnimpl::jmpe_Jz(); // IA-64?
format Inst {
//0x1: group11_UD2(); //0x1: group11_UD2();
0x1: UD2(); 0x1: UD2();
//0x2: group8_Ev_Ib(); //0x2: group8_Ev_Ib();
@ -876,16 +877,15 @@
default: UD2(); default: UD2();
} }
0x3: BTC(Ev,Gv); 0x3: BTC(Ev,Gv);
0x4: BSF(Gv,Ev);
0x5: BSR(Gv,Ev);
//The size of the second operand in these instructions
//should really be "b" or "w", but it's set to v in order
//to have a consistent register size. This shouldn't
//affect behavior.
0x6: MOVSX_B(Gv,Ev);
0x7: MOVSX_W(Gv,Ev);
} }
0x4: Inst::BSF(Gv,Ev);
0x5: Inst::BSR(Gv,Ev);
//The size of the second operand in these instructions should
//really be "b" or "w", but it's set to v in order to have a
//consistent register size. This shouldn't affect behavior.
0x6: Inst::MOVSX_B(Gv,Ev);
0x7: Inst::MOVSX_W(Gv,Ev);
}
format Inst {
0x18: decode OPCODE_OP_BOTTOM3 { 0x18: decode OPCODE_OP_BOTTOM3 {
0x0: XADD(Eb,Gb); 0x0: XADD(Eb,Gb);
0x1: XADD(Ev,Gv); 0x1: XADD(Ev,Gv);
@ -938,43 +938,41 @@
8: BSWAP_Q(Bq); 8: BSWAP_Q(Bq);
default: UD2(); default: UD2();
} }
}
0x1A: decode LEGACY_DECODEVAL { 0x1A: decode LEGACY_DECODEVAL {
// no prefix // no prefix
0x0: decode OPCODE_OP_BOTTOM3 { 0x0: decode OPCODE_OP_BOTTOM3 {
0x1: Inst::PSRLW(Pq,Qq); 0x1: PSRLW(Pq,Qq);
0x2: Inst::PSRLD(Pq,Qq); 0x2: PSRLD(Pq,Qq);
0x3: Inst::PSRLQ(Pq,Qq); 0x3: PSRLQ(Pq,Qq);
0x4: Inst::PADDQ(Pq,Qq); 0x4: PADDQ(Pq,Qq);
0x5: Inst::PMULLW(Pq,Qq); 0x5: PMULLW(Pq,Qq);
0x7: pmovmskb_Gd_PRq(); 0x7: PMOVMSKB(Gd,PRq);
default: Inst::UD2(); default: UD2();
} }
// repe (0xF3) // repe (0xF3)
0x4: decode OPCODE_OP_BOTTOM3 { 0x4: decode OPCODE_OP_BOTTOM3 {
0x6: movq2dq_Vo_PRq(); 0x6: WarnUnimpl::movq2dq_Vo_PRq();
default: Inst::UD2(); default: UD2();
} }
// operand size (0x66) // operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 { 0x1: decode OPCODE_OP_BOTTOM3 {
0x0: addsubpd_Vo_Wo(); 0x0: WarnUnimpl::addsubpd_Vo_Wo();
0x1: Inst::PSRLW(Vo,Wo); 0x1: PSRLW(Vo,Wo);
0x2: Inst::PSRLD(Vo,Wo); 0x2: PSRLD(Vo,Wo);
0x3: Inst::PSRLQ(Vo,Wo); 0x3: PSRLQ(Vo,Wo);
0x4: Inst::PADDQ(Vo,Wo); 0x4: PADDQ(Vo,Wo);
0x5: Inst::PMULLW(Vo,Wo); 0x5: PMULLW(Vo,Wo);
0x6: Inst::MOVQ(Wq,Vq); 0x6: MOVQ(Wq,Vq);
0x7: pmovmskb_Gd_VRo(); 0x7: PMOVMSKB(Gd,VRo);
} }
// repne (0xF2) // repne (0xF2)
0x8: decode OPCODE_OP_BOTTOM3 { 0x8: decode OPCODE_OP_BOTTOM3 {
0x0: addsubps_Vo_Wo(); 0x0: WarnUnimpl::addsubps_Vo_Wo();
0x6: movdq2q_Pq_VRq(); 0x6: WarnUnimpl::movdq2q_Pq_VRq();
default: Inst::UD2(); default: UD2();
} }
default: Inst::UD2(); default: UD2();
} }
format Inst {
0x1B: decode LEGACY_DECODEVAL { 0x1B: decode LEGACY_DECODEVAL {
// no prefix // no prefix
0x0: decode OPCODE_OP_BOTTOM3 { 0x0: decode OPCODE_OP_BOTTOM3 {

13
src/arch/x86/isa/insts/simd128/floating_point/data_transfer/move_mask.py
View file

@ -54,6 +54,15 @@
# Authors: Gabe Black # Authors: Gabe Black
microcode = ''' microcode = '''
# MOVMSKPS def macroop MOVMSKPS_R_XMM {
# MOVMSKPD limm reg, 0
movsign reg, xmmlm, size=4, ext=0
movsign reg, xmmhm, size=4, ext=1
};
def macroop MOVMSKPD_R_XMM {
limm reg, 0
movsign reg, xmmlm, size=8, ext=0
movsign reg, xmmhm, size=8, ext=1
};
''' '''

6
src/arch/x86/isa/insts/simd128/integer/data_transfer/move_mask.py
View file

@ -54,5 +54,9 @@
# Authors: Gabe Black # Authors: Gabe Black
microcode = ''' microcode = '''
# PMOVMSKB def macroop PMOVMSKB_R_XMM {
limm reg, 0
movsign reg, xmmlm, size=1, ext=0
movsign reg, xmmhm, size=1, ext=1
};
''' '''

5
src/arch/x86/isa/insts/simd64/integer/data_transfer/move_mask.py
View file

@ -54,5 +54,8 @@
# Authors: Gabe Black # Authors: Gabe Black
microcode = ''' microcode = '''
# PMOVMSKB def macroop PMOVMSKB_R_MMX {
limm reg, 0
movsign reg, mmxm, size=1, ext=0
};
''' '''