X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=deps%2Flightning%2Flib%2Fjit_x86-cpu.c;h=1a473dee0a88403b725b6684b65ae73cc113359c;hb=13b02197fcb7575646408094d5583ed7391b1153;hp=6dcf67271a3fba2fa2ef861e58fec8c1361fabdc;hpb=37d9bf8315be570a350cd44876ae14f9b0eff20b;p=pcsx_rearmed.git diff --git a/deps/lightning/lib/jit_x86-cpu.c b/deps/lightning/lib/jit_x86-cpu.c index 6dcf6727..1a473dee 100644 --- a/deps/lightning/lib/jit_x86-cpu.c +++ b/deps/lightning/lib/jit_x86-cpu.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012-2019 Free Software Foundation, Inc. + * Copyright (C) 2012-2022 Free Software Foundation, Inc. * * This file is part of GNU lightning. * @@ -369,6 +369,11 @@ static void _movcr_u(jit_state_t*,jit_int32_t,jit_int32_t); static void _movsr(jit_state_t*,jit_int32_t,jit_int32_t); # define movsr_u(r0, r1) _movsr_u(_jit, r0, r1) static void _movsr_u(jit_state_t*,jit_int32_t,jit_int32_t); +# define casx(r0, r1, r2, r3, i0) _casx(_jit, r0, r1, r2, r3, i0) +static void _casx(jit_state_t *_jit,jit_int32_t,jit_int32_t, + jit_int32_t,jit_int32_t,jit_word_t); +#define casr(r0, r1, r2, r3) casx(r0, r1, r2, r3, 0) +#define casi(r0, i0, r1, r2) casx(r0, _NOREG, r1, r2, i0) #define movnr(r0, r1, r2) _movnr(_jit, r0, r1, r2) static void _movnr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); #define movzr(r0, r1, r2) _movzr(_jit, r0, r1, r2) @@ -379,13 +384,13 @@ static void _movir(jit_state_t*,jit_int32_t,jit_int32_t); # define movir_u(r0, r1) _movir_u(_jit, r0, r1) static void _movir_u(jit_state_t*,jit_int32_t,jit_int32_t); # endif -# define htonr_us(r0, r1) _htonr_us(_jit, r0, r1) -static void _htonr_us(jit_state_t*,jit_int32_t,jit_int32_t); -# define htonr_ui(r0, r1) _htonr_ui(_jit, r0, r1) -static void _htonr_ui(jit_state_t*,jit_int32_t,jit_int32_t); +# define bswapr_us(r0, r1) _bswapr_us(_jit, r0, r1) +static void _bswapr_us(jit_state_t*,jit_int32_t,jit_int32_t); +# define bswapr_ui(r0, r1) _bswapr_ui(_jit, r0, r1) +static void _bswapr_ui(jit_state_t*,jit_int32_t,jit_int32_t); # if __X64 && !__X64_32 -#define htonr_ul(r0, r1) _htonr_ul(_jit, r0, r1) -static void _htonr_ul(jit_state_t*,jit_int32_t,jit_int32_t); +#define bswapr_ul(r0, r1) _bswapr_ul(_jit, r0, r1) +static void _bswapr_ul(jit_state_t*,jit_int32_t,jit_int32_t); #endif # define extr_c(r0, r1) _extr_c(_jit, r0, r1) static void _extr_c(jit_state_t*,jit_int32_t,jit_int32_t); @@ -797,44 +802,49 @@ _rx(jit_state_t *_jit, jit_int32_t rd, jit_int32_t md, static void _nop(jit_state_t *_jit, jit_int32_t count) { - switch (count) { - case 0: - break; - case 1: /* NOP */ - ic(0x90); break; - case 2: /* 66 NOP */ - ic(0x66); ic(0x90); - break; - case 3: /* NOP DWORD ptr [EAX] */ - ic(0x0f); ic(0x1f); ic(0x00); - break; - case 4: /* NOP DWORD ptr [EAX + 00H] */ - ic(0x0f); ic(0x1f); ic(0x40); ic(0x00); - break; - case 5: /* NOP DWORD ptr [EAX + EAX*1 + 00H] */ - ic(0x0f); ic(0x1f); ic(0x44); ic(0x00); - ic(0x00); - break; - case 6: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00H] */ - ic(0x66); ic(0x0f); ic(0x1f); ic(0x44); - ic(0x00); ic(0x00); - break; - case 7: /* NOP DWORD ptr [EAX + 00000000H] */ - ic(0x0f); ic(0x1f); ic(0x80); ii(0x0000); - break; - case 8: /* NOP DWORD ptr [EAX + EAX*1 + 00000000H] */ - ic(0x0f); ic(0x1f); ic(0x84); ic(0x00); - ii(0x0000); - break; - case 9: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00000000H] */ - ic(0x66); ic(0x0f); ic(0x1f); ic(0x84); - ic(0x00); ii(0x0000); - break; - default: - abort(); + jit_int32_t i; + while (count) { + if (count > 9) + i = 9; + else + i = count; + switch (i) { + case 0: + break; + case 1: /* NOP */ + ic(0x90); break; + case 2: /* 66 NOP */ + ic(0x66); ic(0x90); + break; + case 3: /* NOP DWORD ptr [EAX] */ + ic(0x0f); ic(0x1f); ic(0x00); + break; + case 4: /* NOP DWORD ptr [EAX + 00H] */ + ic(0x0f); ic(0x1f); ic(0x40); ic(0x00); + break; + case 5: /* NOP DWORD ptr [EAX + EAX*1 + 00H] */ + ic(0x0f); ic(0x1f); ic(0x44); ic(0x00); + ic(0x00); + break; + case 6: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00H] */ + ic(0x66); ic(0x0f); ic(0x1f); ic(0x44); + ic(0x00); ic(0x00); + break; + case 7: /* NOP DWORD ptr [EAX + 00000000H] */ + ic(0x0f); ic(0x1f); ic(0x80); ii(0x0000); + break; + case 8: /* NOP DWORD ptr [EAX + EAX*1 + 00000000H] */ + ic(0x0f); ic(0x1f); ic(0x84); ic(0x00); + ii(0x0000); + break; + case 9: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00000000H] */ + ic(0x66); ic(0x0f); ic(0x1f); ic(0x84); + ic(0x00); ii(0x0000); + break; + } + count -= i; } } - static void _lea(jit_state_t *_jit, jit_int32_t md, jit_int32_t rb, jit_int32_t ri, jit_int32_t ms, jit_int32_t rd) @@ -2218,6 +2228,66 @@ _movsr_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) mrm(0x03, r7(r0), r7(r1)); } +static void +_casx(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, + jit_int32_t r2, jit_int32_t r3, jit_word_t i0) +{ + jit_int32_t save_rax, restore_rax; + jit_int32_t ascasr_reg, ascasr_use; + if (r0 != _RAX_REGNO) { /* result not in %rax */ + if (r2 != _RAX_REGNO) { /* old value not in %rax */ + save_rax = jit_get_reg(jit_class_gpr); + movr(rn(save_rax), _RAX_REGNO); + restore_rax = 1; + } + else + restore_rax = 0; + } + else + restore_rax = 0; + if (r2 != _RAX_REGNO) + movr(_RAX_REGNO, r2); + if (r1 == _NOREG) { /* using immediate address */ + if (!can_sign_extend_int_p(i0)) { + ascasr_reg = jit_get_reg(jit_class_gpr); + if (ascasr_reg == _RAX) { + ascasr_reg = jit_get_reg(jit_class_gpr); + jit_unget_reg(_RAX); + } + ascasr_use = 1; + movi(rn(ascasr_reg), i0); + } + else + ascasr_use = 0; + } + else + ascasr_use = 0; + ic(0xf0); /* lock */ + if (ascasr_use) + rex(0, WIDE, r3, _NOREG, rn(ascasr_reg)); + else + rex(0, WIDE, r3, _NOREG, r1); + ic(0x0f); + ic(0xb1); + if (r1 != _NOREG) /* casr */ + rx(r3, 0, r1, _NOREG, _SCL1); + else { /* casi */ + if (ascasr_use) + rx(r3, 0, rn(ascasr_reg), _NOREG, _SCL1); /* address in reg */ + else + rx(r3, i0, _NOREG, _NOREG, _SCL1); /* address in offset */ + } + cc(X86_CC_E, r0); + if (r0 != _RAX_REGNO) + movr(r0, _RAX_REGNO); + if (restore_rax) { + movr(_RAX_REGNO, rn(save_rax)); + jit_unget_reg(save_rax); + } + if (ascasr_use) + jit_unget_reg(ascasr_reg); +} + static void _movnr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { @@ -2263,7 +2333,7 @@ _movir_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) #endif static void -_htonr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) +_bswapr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { extr_us(r0, r1); ic(0x66); @@ -2274,7 +2344,7 @@ _htonr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) } static void -_htonr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) +_bswapr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { movr(r0, r1); rex(0, 0, _NOREG, _NOREG, r0); @@ -2284,7 +2354,7 @@ _htonr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) #if __X64 && !__X64_32 static void -_htonr_ul(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) +_bswapr_ul(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { movr(r0, r1); rex(0, 1, _NOREG, _NOREG, r0);