diff options
Diffstat (limited to 'asm.peg')
| -rw-r--r-- | asm.peg | 391 |
1 files changed, 209 insertions, 182 deletions
@@ -4,7 +4,7 @@ line = | eol { yy->v.kind = ASM_BLANK; } | . { yy->v.kind = ASM_SYNTAX_ERROR; } -ws = ([ \t] | comment)+ +ws = ([ \t]+ | comment)+ comment = "/*" ( ! "\n" ! "*/" . )* "*/" # No support for multiline comments for now as they break our line numbers. @@ -12,8 +12,8 @@ eol = ws? "\n" stmt = '.' d:directive eol {$$ = d;} - | l:label eol { $$ = l; } | i:instr eol { $$ = i; } + | l:label eol { $$ = l; } directive = "glob" 'o'? 'l' ws i:ident @@ -64,55 +64,73 @@ label = { $$.label = (Label){.kind = ASM_LABEL, .name = i.charptr}; } instr = - # XXX Order the rules by frequency to get better lookup time. - "nop" { $$ = (Parsev){ .kind=ASM_NOP }; } - | "leave" { $$ = (Parsev){ .kind=ASM_LEAVE }; } - | "ret" { $$ = (Parsev){ .kind=ASM_RET }; } - | "cltd" { $$ = (Parsev){ .kind=ASM_CLTD }; } - | "cqto" { $$ = (Parsev){ .kind=ASM_CQTO }; } - | i:push { $$ = i; } - | i:pop { $$ = i; } - | i:call { $$ = i; } - | i:jmp { $$ = i; } - | i:add { $$ = i; } - | i:and { $$ = i; } - | i:cvtsi2sd { $$ = i; } - | i:cvtsi2ss { $$ = i; } - | i:cvtss2sd { $$ = i; } - | i:cvtsd2ss { $$ = i; } - | i:cvtsd2si { $$ = i; } - | i:cvtss2si { $$ = i; } - | i:cmp { $$ = i; } - | i:div { $$ = i; } - | i:idiv { $$ = i; } - | i:lea { $$ = i; } - | i:mulsd { $$ = i; } - | i:mulss { $$ = i; } - | i:mul { $$ = i; } - | i:imul { $$ = i; } - | i:neg { $$ = i; } - | i:movaps { $$ = i; } - | i:movsd { $$ = i; } - | i:movss { $$ = i; } - | i:movsx { $$ = i; } - | i:movzx { $$ = i; } - | i:mov { $$ = i; } - | i:or { $$ = i; } - | i:pxor { $$ = i; } - | i:set { $$ = i; } - | i:sub { $$ = i; } - | i:sal { $$ = i; } - | i:sar { $$ = i; } - | i:shl { $$ = i; } - | i:shr { $$ = i; } - | i:test { $$ = i; } - | i:ucomisd { $$ = i; } - | i:ucomiss { $$ = i; } - | i:test { $$ = i; } - | i:xchg { $$ = i; } - | i:xorpd { $$ = i; } - | i:xorps { $$ = i; } - | i:xor { $$ = i; } + # Ordered by relative frequency for performance. + + # Movs are very common, so they come first. + (& 'm' + ( + i:mov { $$ = i; } + | i:movsx { $$ = i; } + | i:movzx { $$ = i; } + | i:mul { $$ = i; } + # Less common, but we have already checked for 'm' + | i:movaps { $$ = i; } + | i:movsd { $$ = i; } + | i:movss { $$ = i; } + | i:mulsd { $$ = i; } + | i:mulss { $$ = i; } )) + | i:add { $$ = i; } + | i:and { $$ = i; } + | i:cmp { $$ = i; } + | i:leave { $$ = i; } + | i:ret { $$ = i; } + | i:push { $$ = i; } + | i:pop { $$ = i; } + | i:jmp { $$ = i; } + | i:div { $$ = i; } + | i:idiv { $$ = i; } + | i:lea { $$ = i; } + | i:imul { $$ = i; } + | i:neg { $$ = i; } + | i:or { $$ = i; } + | (& 's' + ( + i:set { $$ = i; } + | i:sub { $$ = i; } + | i:sal { $$ = i; } + | i:sar { $$ = i; } + | i:shl { $$ = i; } + | i:shr { $$ = i; })) + | i:test { $$ = i; } + | i:xchg { $$ = i; } + | i:xor { $$ = i; } + | i:call { $$ = i; } + # Misc + | i:cltd { $$ = i; } + | i:cqto { $$ = i; } + | i:nop { $$ = i; } + # Floating point is less common, socheck last. + | i:divsd { $$ = i; } + | i:pxor { $$ = i; } + | i:xorpd { $$ = i; } + | i:xorps { $$ = i; } + | i:ucomisd { $$ = i; } + | i:ucomiss { $$ = i; } + | (& 'c' + ( + i:cvtsi2sd { $$ = i; } + | i:cvtsi2ss { $$ = i; } + | i:cvtss2sd { $$ = i; } + | i:cvtsd2ss { $$ = i; } + | i:cvttsd2si { $$ = i; } + | i:cvttss2si { $$ = i; })) + + +nop = "nop" { $$ = (Parsev){ .kind=ASM_NOP }; } +leave = "leave" { $$ = (Parsev){ .kind=ASM_LEAVE }; } +ret = "ret" { $$ = (Parsev){ .kind=ASM_RET }; } +cltd = "cltd" { $$ = (Parsev){ .kind=ASM_CLTD }; } +cqto = "cqto" { $$ = (Parsev){ .kind=ASM_CQTO }; } push = "push" ( @@ -227,19 +245,19 @@ cvtsd2ss = "cvtsd2ss" ( | ws s:mem ws? ',' ws? d:xmm { $$ = INSTR2(1, s, d); } ) { $$.instr.kind = ASM_CVTSD2SS; } -cvtss2si = "cvtss2si" ( +cvttss2si = "cvttss2si" ( 'l'? ws s:xmm ws? ',' ws? d:r32 { $$ = INSTR2(0, s, d); } | 'q'? ws s:xmm ws? ',' ws? d:r64 { $$ = INSTR2(1, s, d); } | 'l' ws s:mem ws? ',' ws? d:r32 { $$ = INSTR2(2, s, d); } | 'q' ws s:mem ws? ',' ws? d:r64 { $$ = INSTR2(3, s, d); } -) { $$.instr.kind = ASM_CVTSS2SI; } +) { $$.instr.kind = ASM_CVTTSS2SI; } -cvtsd2si = "cvtsd2si" ( +cvttsd2si = "cvttsd2si" ( 'l'? ws s:xmm ws? ',' ws? d:r32 { $$ = INSTR2(0, s, d); } | 'q'? ws s:xmm ws? ',' ws? d:r64 { $$ = INSTR2(1, s, d); } | 'l' ws s:mem ws? ',' ws? d:r32 { $$ = INSTR2(2, s, d); } | 'q' ws s:mem ws? ',' ws? d:r64 { $$ = INSTR2(3, s, d); } -) { $$.instr.kind = ASM_CVTSD2SI; } +) { $$.instr.kind = ASM_CVTTSD2SI; } movaps = "movaps" ( ws s:xmm ws? ',' ws? d:xmm { $$ = INSTR2(0, s, d); } @@ -247,6 +265,11 @@ movaps = "movaps" ( | ws s:xmm ws? ',' ws? d:mem { $$ = INSTR2(2, s, d); } ) { $$.instr.kind = ASM_MOVAPS; } +divsd = "divsd" ( + ws s:xmm ws? ',' ws? d:xmm { $$ = INSTR2(0, s, d); } + | ws s:mem ws? ',' ws? d:xmm { $$ = INSTR2(1, s, d); } +) { $$.instr.kind = ASM_DIVSD; } + mulsd = "mulsd" ( ws s:xmm ws? ',' ws? d:xmm { $$ = INSTR2(0, s, d); } | ws s:mem ws? ',' ws? d:xmm { $$ = INSTR2(1, s, d); } @@ -341,26 +364,26 @@ imul = "imul" ( ) { $$.instr.kind = ASM_IMUL; } mov = "mov" ( - 'b' ws s:imm8 ws? ',' ws? d:mem { $$ = INSTR2(0, s, d); } - | 'w' ws s:imm16 ws? ',' ws? d:mem { $$ = INSTR2(1, s, d); } - | 'l' ws s:imm32 ws? ',' ws? d:mem { $$ = INSTR2(2, s, d); } - | 'q' ws s:imm32 ws? ',' ws? d:mem { $$ = INSTR2(3, s, d); } - | 'b'? ws s:imm8 ws? ',' ws? d:r8 { $$ = INSTR2(4, s, d); } - | 'w'? ws s:imm16 ws? ',' ws? d:r16 { $$ = INSTR2(5, s, d); } - | 'l'? ws s:imm32 ws? ',' ws? d:r32 { $$ = INSTR2(6, s, d); } - | 'q'? ws s:imm32 ws? ',' ws? d:r64 { $$ = INSTR2(7, s, d); } + 'b'? ws s:r8 ws? ',' ws? d:r8 { $$ = INSTR2(0, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:r16 { $$ = INSTR2(1, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:r32 { $$ = INSTR2(2, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:r64 { $$ = INSTR2(3, s, d); } + | 'b'? ws s:r8 ws? ',' ws? d:mem { $$ = INSTR2(4, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:mem { $$ = INSTR2(5, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:mem { $$ = INSTR2(6, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:mem { $$ = INSTR2(7, s, d); } | 'b'? ws s:mem ws? ',' ws? d:r8 { $$ = INSTR2(8, s, d); } | 'w'? ws s:mem ws? ',' ws? d:r16 { $$ = INSTR2(9, s, d); } | 'l'? ws s:mem ws? ',' ws? d:r32 { $$ = INSTR2(10, s, d); } | 'q'? ws s:mem ws? ',' ws? d:r64 { $$ = INSTR2(11, s, d); } - | 'b'? ws s:r8 ws? ',' ws? d:mem { $$ = INSTR2(12, s, d); } - | 'w'? ws s:r16 ws? ',' ws? d:mem { $$ = INSTR2(13, s, d); } - | 'l'? ws s:r32 ws? ',' ws? d:mem { $$ = INSTR2(14, s, d); } - | 'q'? ws s:r64 ws? ',' ws? d:mem { $$ = INSTR2(15, s, d); } - | 'b'? ws s:r8 ws? ',' ws? d:r8 { $$ = INSTR2(16, s, d); } - | 'w'? ws s:r16 ws? ',' ws? d:r16 { $$ = INSTR2(17, s, d); } - | 'l'? ws s:r32 ws? ',' ws? d:r32 { $$ = INSTR2(18, s, d); } - | 'q'? ws s:r64 ws? ',' ws? d:r64 { $$ = INSTR2(19, s, d); } + | 'b' ws s:imm8 ws? ',' ws? d:mem { $$ = INSTR2(12, s, d); } + | 'w' ws s:imm16 ws? ',' ws? d:mem { $$ = INSTR2(13, s, d); } + | 'l' ws s:imm32 ws? ',' ws? d:mem { $$ = INSTR2(14, s, d); } + | 'q' ws s:imm32 ws? ',' ws? d:mem { $$ = INSTR2(15, s, d); } + | 'b'? ws s:imm8 ws? ',' ws? d:r8 { $$ = INSTR2(16, s, d); } + | 'w'? ws s:imm16 ws? ',' ws? d:r16 { $$ = INSTR2(17, s, d); } + | 'l'? ws s:imm32 ws? ',' ws? d:r32 { $$ = INSTR2(18, s, d); } + | 'q'? ws s:imm32 ws? ',' ws? d:r64 { $$ = INSTR2(19, s, d); } ) { $$.instr.kind = ASM_MOV; } movsx = "movs" ( @@ -378,7 +401,7 @@ movsx = "movs" ( | 'lq' ws s:r32 ws? ',' ws? d:r64 { $$ = INSTR2(11, s, d); } ) { $$.instr.kind = ASM_MOVSX; } -movzx = "movz"( +movzx = "movz" ( 'bw' ws s:mem ws? ',' ws? d:r16 { $$ = INSTR2(0, s, d); } | 'bl' ws s:mem ws? ',' ws? d:r32 { $$ = INSTR2(1, s, d); } | 'bq' ws s:mem ws? ',' ws? d:r64 { $$ = INSTR2(2, s, d); } @@ -391,27 +414,26 @@ movzx = "movz"( | 'wq' ws s:r16 ws? ',' ws? d:r64 { $$ = INSTR2(9, s, d); } ) { $$.instr.kind = ASM_MOVZX; } -xchg = - 'xchg' ( - 'w'? ws s:ax ws? ',' ws? d:r16 { $$ = INSTR2(0, s, d); } - | 'w'? ws s:r16 ws? ',' ws? d:ax { $$ = INSTR2(1, s, d); } - | 'l'? ws s:eax ws? ',' ws? d:r32 { $$ = INSTR2(2, s, d); } - | 'l'? ws s:r32 ws? ',' ws? d:eax { $$ = INSTR2(3, s, d); } - | 'q'? ws s:rax ws? ',' ws? d:r64 { $$ = INSTR2(4, s, d); } - | 'q'? ws s:r64 ws? ',' ws? d:rax { $$ = INSTR2(5, s, d); } - | 'b'? ws s:mem ws? ',' ws? d:r8 { $$ = INSTR2(6, s, d); } - | 'w'? ws s:mem ws? ',' ws? d:r16 { $$ = INSTR2(7, s, d); } - | 'l'? ws s:mem ws? ',' ws? d:r32 { $$ = INSTR2(8, s, d); } - | 'q'? ws s:mem ws? ',' ws? d:r64 { $$ = INSTR2(9, s, d); } - | 'b'? ws s:r8 ws? ',' ws? d:mem { $$ = INSTR2(10, s, d); } - | 'w'? ws s:r16 ws? ',' ws? d:mem { $$ = INSTR2(11, s, d); } - | 'l'? ws s:r32 ws? ',' ws? d:mem { $$ = INSTR2(12, s, d); } - | 'q'? ws s:r64 ws? ',' ws? d:mem { $$ = INSTR2(13, s, d); } - | 'b'? ws s:r8 ws? ',' ws? d:r8 { $$ = INSTR2(14, s, d); } - | 'w'? ws s:r16 ws? ',' ws? d:r16 { $$ = INSTR2(15, s, d); } - | 'l'? ws s:r32 ws? ',' ws? d:r32 { $$ = INSTR2(16, s, d); } - | 'q'? ws s:r64 ws? ',' ws? d:r64 { $$ = INSTR2(17, s, d); } - ) { $$.instr.kind = ASM_XCHG; } +xchg = 'xchg' ( + 'w'? ws s:ax ws? ',' ws? d:r16 { $$ = INSTR2(0, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:ax { $$ = INSTR2(1, s, d); } + | 'l'? ws s:eax ws? ',' ws? d:r32 { $$ = INSTR2(2, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:eax { $$ = INSTR2(3, s, d); } + | 'q'? ws s:rax ws? ',' ws? d:r64 { $$ = INSTR2(4, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:rax { $$ = INSTR2(5, s, d); } + | 'b'? ws s:mem ws? ',' ws? d:r8 { $$ = INSTR2(6, s, d); } + | 'w'? ws s:mem ws? ',' ws? d:r16 { $$ = INSTR2(7, s, d); } + | 'l'? ws s:mem ws? ',' ws? d:r32 { $$ = INSTR2(8, s, d); } + | 'q'? ws s:mem ws? ',' ws? d:r64 { $$ = INSTR2(9, s, d); } + | 'b'? ws s:r8 ws? ',' ws? d:mem { $$ = INSTR2(10, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:mem { $$ = INSTR2(11, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:mem { $$ = INSTR2(12, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:mem { $$ = INSTR2(13, s, d); } + | 'b'? ws s:r8 ws? ',' ws? d:r8 { $$ = INSTR2(14, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:r16 { $$ = INSTR2(15, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:r32 { $$ = INSTR2(16, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:r64 { $$ = INSTR2(17, s, d); } +) { $$.instr.kind = ASM_XCHG; } add = "add" a:basic-op-args { a.instr.kind = ASM_ADD; $$ = a; } cmp = "cmp" a:basic-op-args { a.instr.kind = ASM_CMP; $$ = a; } @@ -528,96 +550,101 @@ eax = "%eax" { $$ = REG(ASM_EAX); } rax = "%rax" { $$ = REG(ASM_RAX); } rip = "%rip" { $$ = REG(ASM_RIP); } -r8 = - "%al" { $$ = REG(ASM_AL); } - | "%cl" { $$ = REG(ASM_CL); } - | "%dl" { $$ = REG(ASM_DL); } - | "%bl" { $$ = REG(ASM_BL); } - | "%spl" { $$ = REG(ASM_SPL); } - | "%bpl" { $$ = REG(ASM_BPL); } - | "%sil" { $$ = REG(ASM_SIL); } - | "%dil" { $$ = REG(ASM_DIL); } - | "%r8b" { $$ = REG(ASM_R8B); } - | "%r9b" { $$ = REG(ASM_R9B); } - | "%r10b" { $$ = REG(ASM_R10B); } - | "%r11b" { $$ = REG(ASM_R11B); } - | "%r12b" { $$ = REG(ASM_R12B); } - | "%r13b" { $$ = REG(ASM_R13B); } - | "%r14b" { $$ = REG(ASM_R14B); } - | "%r15b" { $$ = REG(ASM_R15B); } - -r16 = - "%ax" { $$ = REG(ASM_AX); } - | "%cx" { $$ = REG(ASM_CX); } - | "%dx" { $$ = REG(ASM_DX); } - | "%bx" { $$ = REG(ASM_BX); } - | "%sp" { $$ = REG(ASM_SP); } - | "%bp" { $$ = REG(ASM_BP); } - | "%si" { $$ = REG(ASM_SI); } - | "%di" { $$ = REG(ASM_DI); } - | "%r8w" { $$ = REG(ASM_R8W); } - | "%r9w" { $$ = REG(ASM_R9W); } - | "%r10w" { $$ = REG(ASM_R10W); } - | "%r11w" { $$ = REG(ASM_R11W); } - | "%r12w" { $$ = REG(ASM_R12W); } - | "%r13w" { $$ = REG(ASM_R13W); } - | "%r14w" { $$ = REG(ASM_R14W); } - | "%r15w" { $$ = REG(ASM_R15W); } - -r32 = - "%eax" { $$ = REG(ASM_EAX); } - | "%ecx" { $$ = REG(ASM_ECX); } - | "%edx" { $$ = REG(ASM_EDX); } - | "%ebx" { $$ = REG(ASM_EBX); } - | "%esp" { $$ = REG(ASM_ESP); } - | "%ebp" { $$ = REG(ASM_EBP); } - | "%esi" { $$ = REG(ASM_ESI); } - | "%edi" { $$ = REG(ASM_EDI); } - | "%r8d" { $$ = REG(ASM_R8D); } - | "%r9d" { $$ = REG(ASM_R9D); } - | "%r10d" { $$ = REG(ASM_R10D); } - | "%r11d" { $$ = REG(ASM_R11D); } - | "%r12d" { $$ = REG(ASM_R12D); } - | "%r13d" { $$ = REG(ASM_R13D); } - | "%r14d" { $$ = REG(ASM_R14D); } - | "%r15d" { $$ = REG(ASM_R15D); } - -r64 = - "%rax" { $$ = REG(ASM_RAX); } - | "%rcx" { $$ = REG(ASM_RCX); } - | "%rdx" { $$ = REG(ASM_RDX); } - | "%rbx" { $$ = REG(ASM_RBX); } - | "%rsp" { $$ = REG(ASM_RSP); } - | "%rbp" { $$ = REG(ASM_RBP); } - | "%rsi" { $$ = REG(ASM_RSI); } - | "%rdi" { $$ = REG(ASM_RDI); } - | "%r8" ![lwb] { $$ = REG(ASM_R8); } - | "%r9" ![lwb] { $$ = REG(ASM_R9); } - | "%r10" ![lwb] { $$ = REG(ASM_R10); } - | "%r11" ![lwb] { $$ = REG(ASM_R11); } - | "%r12" ![lwb] { $$ = REG(ASM_R12); } - | "%r13" ![lwb] { $$ = REG(ASM_R13); } - | "%r14" ![lwb] { $$ = REG(ASM_R14); } - | "%r15" ![lwb] { $$ = REG(ASM_R15); } - -xmm = +r8 = '%' ( + "al" { $$ = REG(ASM_AL); } + | "cl" { $$ = REG(ASM_CL); } + | "dl" { $$ = REG(ASM_DL); } + | "bl" { $$ = REG(ASM_BL); } + | "spl" { $$ = REG(ASM_SPL); } + | "bpl" { $$ = REG(ASM_BPL); } + | "sil" { $$ = REG(ASM_SIL); } + | "dil" { $$ = REG(ASM_DIL); } + | "r8b" { $$ = REG(ASM_R8B); } + | "r9b" { $$ = REG(ASM_R9B); } + | "r10b" { $$ = REG(ASM_R10B); } + | "r11b" { $$ = REG(ASM_R11B); } + | "r12b" { $$ = REG(ASM_R12B); } + | "r13b" { $$ = REG(ASM_R13B); } + | "r14b" { $$ = REG(ASM_R14B); } + | "r15b" { $$ = REG(ASM_R15B); } +) + +r16 = '%' ( + "ax" { $$ = REG(ASM_AX); } + | "cx" { $$ = REG(ASM_CX); } + | "dx" { $$ = REG(ASM_DX); } + | "bx" { $$ = REG(ASM_BX); } + | "sp" { $$ = REG(ASM_SP); } + | "bp" { $$ = REG(ASM_BP); } + | "si" { $$ = REG(ASM_SI); } + | "di" { $$ = REG(ASM_DI); } + | "r8w" { $$ = REG(ASM_R8W); } + | "r9w" { $$ = REG(ASM_R9W); } + | "r10w" { $$ = REG(ASM_R10W); } + | "r11w" { $$ = REG(ASM_R11W); } + | "r12w" { $$ = REG(ASM_R12W); } + | "r13w" { $$ = REG(ASM_R13W); } + | "r14w" { $$ = REG(ASM_R14W); } + | "r15w" { $$ = REG(ASM_R15W); } +) + +r32 = '%' ( + "eax" { $$ = REG(ASM_EAX); } + | "ecx" { $$ = REG(ASM_ECX); } + | "edx" { $$ = REG(ASM_EDX); } + | "ebx" { $$ = REG(ASM_EBX); } + | "esp" { $$ = REG(ASM_ESP); } + | "ebp" { $$ = REG(ASM_EBP); } + | "esi" { $$ = REG(ASM_ESI); } + | "edi" { $$ = REG(ASM_EDI); } + | "r8d" { $$ = REG(ASM_R8D); } + | "r9d" { $$ = REG(ASM_R9D); } + | "r10d" { $$ = REG(ASM_R10D); } + | "r11d" { $$ = REG(ASM_R11D); } + | "r12d" { $$ = REG(ASM_R12D); } + | "r13d" { $$ = REG(ASM_R13D); } + | "r14d" { $$ = REG(ASM_R14D); } + | "r15d" { $$ = REG(ASM_R15D); } +) + +r64 = "%r" ( + "ax" { $$ = REG(ASM_RAX); } + | "cx" { $$ = REG(ASM_RCX); } + | "dx" { $$ = REG(ASM_RDX); } + | "bx" { $$ = REG(ASM_RBX); } + | "sp" { $$ = REG(ASM_RSP); } + | "bp" { $$ = REG(ASM_RBP); } + | "si" { $$ = REG(ASM_RSI); } + | "di" { $$ = REG(ASM_RDI); } + | "8" ![lwb] { $$ = REG(ASM_R8); } + | "9" ![lwb] { $$ = REG(ASM_R9); } + | "10" ![lwb] { $$ = REG(ASM_R10); } + | "11" ![lwb] { $$ = REG(ASM_R11); } + | "12" ![lwb] { $$ = REG(ASM_R12); } + | "13" ![lwb] { $$ = REG(ASM_R13); } + | "14" ![lwb] { $$ = REG(ASM_R14); } + | "15" ![lwb] { $$ = REG(ASM_R15); } +) + +xmm = "%x" ( # Reverse order due to peg ordering. - "%xmm15" { $$ = REG(ASM_XMM15); } - | "%xmm14" { $$ = REG(ASM_XMM14); } - | "%xmm13" { $$ = REG(ASM_XMM13); } - | "%xmm12" { $$ = REG(ASM_XMM12); } - | "%xmm11" { $$ = REG(ASM_XMM11); } - | "%xmm10" { $$ = REG(ASM_XMM10); } - | "%xmm9" { $$ = REG(ASM_XMM7); } - | "%xmm8" { $$ = REG(ASM_XMM7); } - | "%xmm7" { $$ = REG(ASM_XMM7); } - | "%xmm6" { $$ = REG(ASM_XMM6); } - | "%xmm5" { $$ = REG(ASM_XMM5); } - | "%xmm4" { $$ = REG(ASM_XMM4); } - | "%xmm3" { $$ = REG(ASM_XMM3); } - | "%xmm2" { $$ = REG(ASM_XMM2); } - | "%xmm1" { $$ = REG(ASM_XMM1); } - | "%xmm0" { $$ = REG(ASM_XMM0); } + "mm15" { $$ = REG(ASM_XMM15); } + | "mm14" { $$ = REG(ASM_XMM14); } + | "mm13" { $$ = REG(ASM_XMM13); } + | "mm12" { $$ = REG(ASM_XMM12); } + | "mm11" { $$ = REG(ASM_XMM11); } + | "mm10" { $$ = REG(ASM_XMM10); } + | "mm9" { $$ = REG(ASM_XMM7); } + | "mm8" { $$ = REG(ASM_XMM7); } + | "mm7" { $$ = REG(ASM_XMM7); } + | "mm6" { $$ = REG(ASM_XMM6); } + | "mm5" { $$ = REG(ASM_XMM5); } + | "mm4" { $$ = REG(ASM_XMM4); } + | "mm3" { $$ = REG(ASM_XMM3); } + | "mm2" { $$ = REG(ASM_XMM2); } + | "mm1" { $$ = REG(ASM_XMM1); } + | "mm0" { $$ = REG(ASM_XMM0); } +) # We disallow newlines in our strings, it is simpler for lineno tracking. string = '"' <(string-escape | ( ! '\n' ! '\\' !'"' .))*> '"' |