From 7ec6f1e4ce9e7c4b875845939111c31bc1040745 Mon Sep 17 00:00:00 2001 From: SarahW Date: Wed, 5 Dec 2018 20:54:56 +0000 Subject: [PATCH] Added Winchip 2 timing model. --- src/codegen.h | 1 + src/codegen_timing_common.c | 4 +- src/codegen_timing_winchip2.c | 753 ++++++++++++++++++++++++++++++++++ src/cpu.c | 2 +- 4 files changed, 757 insertions(+), 3 deletions(-) create mode 100644 src/codegen_timing_winchip2.c diff --git a/src/codegen.h b/src/codegen.h index 93657a1..8e40af1 100644 --- a/src/codegen.h +++ b/src/codegen.h @@ -334,6 +334,7 @@ extern codegen_timing_t codegen_timing_pentium; extern codegen_timing_t codegen_timing_686; extern codegen_timing_t codegen_timing_486; extern codegen_timing_t codegen_timing_winchip; +extern codegen_timing_t codegen_timing_winchip2; void codegen_timing_set(codegen_timing_t *timing); diff --git a/src/codegen_timing_common.c b/src/codegen_timing_common.c index b56335a..43aa4b8 100644 --- a/src/codegen_timing_common.c +++ b/src/codegen_timing_common.c @@ -274,7 +274,7 @@ uint64_t opcode_deps_0f[256] = /*00*/ MODRM, MODRM, MODRM, MODRM, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, + 0, MODRM, 0, MODRM, /*10*/ 0, 0, 0, 0, 0, 0, 0, 0, @@ -356,7 +356,7 @@ uint64_t opcode_deps_0f_mod3[256] = /*00*/ MODRM, MODRM, MODRM, MODRM, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, + 0, MODRM, 0, MODRM, /*10*/ 0, 0, 0, 0, 0, 0, 0, 0, diff --git a/src/codegen_timing_winchip2.c b/src/codegen_timing_winchip2.c new file mode 100644 index 0000000..0644298 --- /dev/null +++ b/src/codegen_timing_winchip2.c @@ -0,0 +1,753 @@ +/*Since IDT/Centaur didn't document cycle timings in the WinChip datasheets, and + I don't currently own a WinChip 2 to test against, most of the timing here is + a guess. This code makes the current (probably wrong) assumptions : + - FPU uses same timings as a Pentium, except for FXCH (which doesn't pair) + - 3DNow! instructions perfectly pair + - MMX follows mostly Pentium rules - one pipeline has shift/pack, one has + multiply, and other instructions can execute in either pipeline + - Instructions with prefixes can pair if both instructions are fully decoded + when the first instruction starts execution.*/ +#include "ibm.h" +#include "cpu.h" +#include "x86.h" +#include "x86_ops.h" +#include "x87.h" +#include "mem.h" +#include "codegen.h" +#include "codegen_ops.h" +#include "codegen_timing_common.h" + +/*Instruction has different execution time for 16 and 32 bit data. Does not pair */ +#define CYCLES_HAS_MULTI (1 << 31) + +#define CYCLES_FPU (1 << 30) + +#define CYCLES_IS_MMX_MUL (1 << 29) +#define CYCLES_IS_MMX_SHIFT (1 << 28) +#define CYCLES_IS_MMX_ANY (1 << 27) +#define CYCLES_IS_3DNOW (1 << 26) + +#define CYCLES_MMX_MUL(c) (CYCLES_IS_MMX_MUL | c) +#define CYCLES_MMX_SHIFT(c) (CYCLES_IS_MMX_SHIFT | c) +#define CYCLES_MMX_ANY(c) (CYCLES_IS_MMX_ANY | c) +#define CYCLES_3DNOW(c) (CYCLES_IS_3DNOW | c) + +#define CYCLES_IS_MMX (CYCLES_IS_MMX_MUL | CYCLES_IS_MMX_SHIFT | CYCLES_IS_MMX_ANY | CYCLES_IS_3DNOW) + +#define GET_CYCLES(c) (c & ~(CYCLES_HAS_MULTI | CYCLES_FPU | CYCLES_IS_MMX)) + +#define CYCLES(c) c +#define CYCLES2(c16, c32) (CYCLES_HAS_MULTI | c16 | (c32 << 8)) + +/*comp_time = cycles until instruction complete + i_overlap = cycles that overlap with integer + f_overlap = cycles that overlap with subsequent FPU*/ +#define FPU_CYCLES(comp_time, i_overlap, f_overlap) (comp_time) | (i_overlap << 8) | (f_overlap << 16) | CYCLES_FPU + +#define FPU_COMP_TIME(timing) (timing & 0xff) +#define FPU_I_OVERLAP(timing) ((timing >> 8) & 0xff) +#define FPU_F_OVERLAP(timing) ((timing >> 16) & 0xff) + +#define FPU_I_LATENCY(timing) (FPU_COMP_TIME(timing) - FPU_I_OVERLAP(timing)) + +#define FPU_F_LATENCY(timing) (FPU_I_OVERLAP(timing) - FPU_F_OVERLAP(timing)) + +#define FPU_RESULT_LATENCY(timing) ((timing >> 8) & 0xff) + +#define INVALID 0 + +static uint32_t opcode_timings[256] = +{ +/*00*/ CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(3), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(2), INVALID, +/*10*/ CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(3), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(3), +/*20*/ CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(3), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(3), +/*30*/ CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), + +/*40*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*50*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*60*/ CYCLES(11), CYCLES(9), CYCLES(7), CYCLES(9), CYCLES(4), CYCLES(4), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES2(17,25), CYCLES(1), CYCLES2(17,20), CYCLES(17), CYCLES(17), CYCLES(17), CYCLES(17), +/*70*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), + +/*80*/ CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(5), CYCLES(5), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(3), CYCLES(1), CYCLES(5), CYCLES(6), +/*90*/ CYCLES(1), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(0), CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(2), CYCLES(3), +/*a0*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(7), CYCLES(7), CYCLES(8), CYCLES(8), CYCLES(1), CYCLES(1), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), +/*b0*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), + +/*c0*/ CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), CYCLES(1), CYCLES(1), CYCLES(14), CYCLES(5), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(3), CYCLES(0), +/*d0*/ CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(15), CYCLES(14), CYCLES(2), CYCLES(4), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*e0*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(5), CYCLES(14), CYCLES(14), CYCLES(16), CYCLES(16), CYCLES(3), CYCLES(3), CYCLES(17), CYCLES(3), CYCLES(14), CYCLES(14), CYCLES(14), CYCLES(14), +/*f0*/ CYCLES(4), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(4), CYCLES(2), INVALID, INVALID, CYCLES(2), CYCLES(2), CYCLES(3), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(3), INVALID +}; + +static uint32_t opcode_timings_mod3[256] = +{ +/*00*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(3), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), INVALID, +/*10*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(3), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(3), +/*20*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(3), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(3), +/*30*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), + +/*40*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*50*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*60*/ CYCLES(11), CYCLES(9), CYCLES(7), CYCLES(9), CYCLES(4), CYCLES(4), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES2(14,25), CYCLES(1), CYCLES2(17,20), CYCLES(17), CYCLES(17), CYCLES(17), CYCLES(17), +/*70*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), + +/*80*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(5), CYCLES(5), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(1), CYCLES(2), CYCLES(1), +/*90*/ CYCLES(1), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(0), CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(2), CYCLES(3), +/*a0*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(7), CYCLES(7), CYCLES(8), CYCLES(8), CYCLES(1), CYCLES(1), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), +/*b0*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), + +/*c0*/ CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), CYCLES(1), CYCLES(1), CYCLES(14), CYCLES(5), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(3), CYCLES(0), +/*d0*/ CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(15), CYCLES(14), CYCLES(2), CYCLES(4), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*e0*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(5), CYCLES(14), CYCLES(14), CYCLES(16), CYCLES(16), CYCLES(3), CYCLES(3), CYCLES(17), CYCLES(3), CYCLES(14), CYCLES(14), CYCLES(14), CYCLES(14), +/*f0*/ CYCLES(4), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(4), CYCLES(2), INVALID, INVALID, CYCLES(2), CYCLES(2), CYCLES(3), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(3), INVALID, +}; + +static uint32_t opcode_timings_0f[256] = +{ +/*00*/ CYCLES(20), CYCLES(11), CYCLES(11), CYCLES(10), INVALID, CYCLES(195), CYCLES(7), INVALID, CYCLES(1000), CYCLES(10000), INVALID, INVALID, INVALID, CYCLES_3DNOW(1), CYCLES(1), CYCLES_3DNOW(1), +/*10*/ INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*20*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*30*/ CYCLES(9), CYCLES(1), CYCLES(9), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, + +/*40*/ INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*50*/ INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*60*/ CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), INVALID, INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), +/*70*/ INVALID, CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES(100), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), + +/*80*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*90*/ CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), +/*a0*/ CYCLES(3), CYCLES(3), CYCLES(14), CYCLES(8), CYCLES(3), CYCLES(4), INVALID, INVALID, CYCLES(3), CYCLES(3), INVALID, CYCLES(13), CYCLES(3), CYCLES(3), INVALID, CYCLES2(18,30), +/*b0*/ CYCLES(10), CYCLES(10), CYCLES(6), CYCLES(13), CYCLES(6), CYCLES(6), CYCLES(3), CYCLES(3), INVALID, INVALID, CYCLES(6), CYCLES(13), CYCLES(7), CYCLES(7), CYCLES(3), CYCLES(3), + +/*c0*/ CYCLES(4), CYCLES(4), INVALID, INVALID, INVALID, INVALID, INVALID, CYCLES(3), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*d0*/ INVALID, CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), INVALID, CYCLES_MMX_MUL(2), INVALID, INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), INVALID, CYCLES_MMX_ANY(2), +/*e0*/ INVALID, CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), INVALID, INVALID, CYCLES_MMX_MUL(2), INVALID, INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), INVALID, CYCLES_MMX_ANY(2), +/*f0*/ INVALID, CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), CYCLES_MMX_SHIFT(2), INVALID, CYCLES_MMX_MUL(2), INVALID, INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), INVALID, CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), CYCLES_MMX_ANY(2), INVALID, +}; +static uint32_t opcode_timings_0f_mod3[256] = +{ +/*00*/ CYCLES(20), CYCLES(11), CYCLES(11), CYCLES(10), INVALID, CYCLES(195), CYCLES(7), INVALID, CYCLES(1000), CYCLES(10000), INVALID, INVALID, INVALID, CYCLES_3DNOW(1), CYCLES(1), CYCLES_3DNOW(1), +/*10*/ INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*20*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*30*/ CYCLES(9), CYCLES(1), CYCLES(9), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, + +/*40*/ INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*50*/ INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, +/*60*/ CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), INVALID, INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), +/*70*/ INVALID, CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES(100), INVALID, INVALID, INVALID, INVALID, INVALID, INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), + +/*80*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*90*/ CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), +/*a0*/ CYCLES(3), CYCLES(3), CYCLES(14), CYCLES(8), CYCLES(3), CYCLES(4), INVALID, INVALID, CYCLES(3), CYCLES(3), INVALID, CYCLES(13), CYCLES(3), CYCLES(3), INVALID, CYCLES2(18,30), +/*b0*/ CYCLES(10), CYCLES(10), CYCLES(6), CYCLES(13), CYCLES(6), CYCLES(6), CYCLES(3), CYCLES(3), INVALID, INVALID, CYCLES(6), CYCLES(13), CYCLES(7), CYCLES(7), CYCLES(3), CYCLES(3), + +/*c0*/ CYCLES(4), CYCLES(4), INVALID, INVALID, INVALID, INVALID, INVALID, CYCLES(3), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), +/*d0*/ INVALID, CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), INVALID, CYCLES_MMX_MUL(1), INVALID, INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), INVALID, CYCLES_MMX_ANY(1), +/*e0*/ INVALID, CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), INVALID, INVALID, CYCLES_MMX_MUL(1), INVALID, INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), INVALID, CYCLES_MMX_ANY(1), +/*f0*/ INVALID, CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), CYCLES_MMX_SHIFT(1), INVALID, CYCLES_MMX_MUL(1), INVALID, INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), INVALID, CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), CYCLES_MMX_ANY(1), INVALID, +}; + +static uint32_t opcode_timings_shift[8] = +{ + CYCLES(7), CYCLES(7), CYCLES(10), CYCLES(10), CYCLES(7), CYCLES(7), CYCLES(7), CYCLES(7) +}; +static uint32_t opcode_timings_shift_mod3[8] = +{ + CYCLES(3), CYCLES(3), CYCLES(9), CYCLES(9), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3) +}; + +static uint32_t opcode_timings_f6[8] = +{ + CYCLES(2), INVALID, CYCLES(2), CYCLES(2), CYCLES(13), CYCLES(14), CYCLES(16), CYCLES(19) +}; +static uint32_t opcode_timings_f6_mod3[8] = +{ + CYCLES(1), INVALID, CYCLES(1), CYCLES(1), CYCLES(13), CYCLES(14), CYCLES(16), CYCLES(19) +}; +static uint32_t opcode_timings_f7[8] = +{ + CYCLES(2), INVALID, CYCLES(2), CYCLES(2), CYCLES(21), CYCLES2(22,38), CYCLES2(24,40), CYCLES2(27,43) +}; +static uint32_t opcode_timings_f7_mod3[8] = +{ + CYCLES(1), INVALID, CYCLES(1), CYCLES(1), CYCLES(21), CYCLES2(22,38), CYCLES2(24,40), CYCLES2(27,43) +}; +static uint32_t opcode_timings_ff[8] = +{ + CYCLES(2), CYCLES(2), CYCLES(5), CYCLES(0), CYCLES(5), CYCLES(0), CYCLES(5), INVALID +}; +static uint32_t opcode_timings_ff_mod3[8] = +{ + CYCLES(1), CYCLES(1), CYCLES(5), CYCLES(0), CYCLES(5), CYCLES(0), CYCLES(5), INVALID +}; + +static uint32_t opcode_timings_d8[8] = +{ +/* FADDs FMULs FCOMs FCOMPs*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), +/* FSUBs FSUBRs FDIVs FDIVRs*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), FPU_CYCLES(39,38,2), FPU_CYCLES(39,38,2) +}; +static uint32_t opcode_timings_d8_mod3[8] = +{ +/* FADD FMUL FCOM FCOMP*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), +/* FSUB FSUBR FDIV FDIVR*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), FPU_CYCLES(39,38,2), FPU_CYCLES(39,38,2) +}; + +static uint32_t opcode_timings_d9[8] = +{ +/* FLDs FSTs FSTPs*/ + FPU_CYCLES(1,0,0), INVALID, FPU_CYCLES(2,0,0), FPU_CYCLES(2,0,0), +/* FLDENV FLDCW FSTENV FSTCW*/ + FPU_CYCLES(32,0,0), FPU_CYCLES(8,0,0), FPU_CYCLES(48,0,0), FPU_CYCLES(2,0,0) +}; +static uint32_t opcode_timings_d9_mod3[64] = +{ + /*FLD*/ + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), + /*FXCH*/ + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), + /*FNOP*/ + FPU_CYCLES(3,0,0), INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, + /*FSTP*/ + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), +/* opFCHS opFABS*/ + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), INVALID, INVALID, +/* opFTST opFXAM*/ + FPU_CYCLES(1,0,0), FPU_CYCLES(21,4,0), INVALID, INVALID, +/* opFLD1 opFLDL2T opFLDL2E opFLDPI*/ + FPU_CYCLES(2,0,0), FPU_CYCLES(5,2,2), FPU_CYCLES(5,2,2), FPU_CYCLES(5,2,2), +/* opFLDEG2 opFLDLN2 opFLDZ*/ + FPU_CYCLES(5,2,2), FPU_CYCLES(5,2,2), FPU_CYCLES(2,0,0), INVALID, +/* opF2XM1 opFYL2X opFPTAN opFPATAN*/ + FPU_CYCLES(53,2,2), FPU_CYCLES(103,2,2),FPU_CYCLES(120,36,0),FPU_CYCLES(112,2,2), +/* opFDECSTP opFINCSTP,*/ + INVALID, INVALID, FPU_CYCLES(2,0,0), FPU_CYCLES(2,0,0), +/* opFPREM opFSQRT opFSINCOS*/ + FPU_CYCLES(64,2,2), INVALID, FPU_CYCLES(70,69,2),FPU_CYCLES(89,2,2), +/* opFRNDINT opFSCALE opFSIN opFCOS*/ + FPU_CYCLES(9,0,0), FPU_CYCLES(20,5,0), FPU_CYCLES(65,2,2), FPU_CYCLES(65,2,2) +}; + +static uint32_t opcode_timings_da[8] = +{ +/* FIADDl FIMULl FICOMl FICOMPl*/ + FPU_CYCLES(6,2,2), FPU_CYCLES(6,2,2), FPU_CYCLES(4,0,0), FPU_CYCLES(4,0,0), +/* FISUBl FISUBRl FIDIVl FIDIVRl*/ + FPU_CYCLES(6,2,2), FPU_CYCLES(6,2,2), FPU_CYCLES(42,38,2), FPU_CYCLES(42,38,2) +}; +static uint32_t opcode_timings_da_mod3[8] = +{ + INVALID, INVALID, INVALID, INVALID, +/* FCOMPP*/ + INVALID, FPU_CYCLES(1,0,0), INVALID, INVALID +}; + + +static uint32_t opcode_timings_db[8] = +{ +/* FLDil FSTil FSTPil*/ + FPU_CYCLES(3,2,2), INVALID, FPU_CYCLES(6,0,0), FPU_CYCLES(6,0,0), +/* FLDe FSTPe*/ + INVALID, FPU_CYCLES(3,0,0), INVALID, FPU_CYCLES(3,0,0) +}; +static uint32_t opcode_timings_db_mod3[64] = +{ + INVALID, INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, + + INVALID, INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, + + INVALID, INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, + + INVALID, INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, + +/* opFNOP opFCLEX opFINIT*/ + INVALID, FPU_CYCLES(1,0,0), FPU_CYCLES(7,0,0), FPU_CYCLES(17,0,0), +/* opFNOP opFNOP*/ + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), INVALID, INVALID, + + INVALID, INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, + + INVALID, INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, + + INVALID, INVALID, INVALID, INVALID, + INVALID, INVALID, INVALID, INVALID, +}; + +static uint32_t opcode_timings_dc[8] = +{ +/* FADDd FMULd FCOMd FCOMPd*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), +/* FSUBd FSUBRd FDIVd FDIVRd*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), FPU_CYCLES(39,38,2), FPU_CYCLES(39,38,2) +}; +static uint32_t opcode_timings_dc_mod3[8] = +{ +/* opFADDr opFMULr*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2),INVALID, INVALID, +/* opFSUBRr opFSUBr opFDIVRr opFDIVr*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2),FPU_CYCLES(39,38,2), FPU_CYCLES(39,38,2) +}; + +static uint32_t opcode_timings_dd[8] = +{ +/* FLDd FSTd FSTPd*/ + FPU_CYCLES(1,0,0), INVALID, FPU_CYCLES(2,0,0), FPU_CYCLES(2,0,0), +/* FRSTOR FSAVE FSTSW*/ + FPU_CYCLES(70,0,0), INVALID, FPU_CYCLES(127,0,0), FPU_CYCLES(6,0,0) +}; +static uint32_t opcode_timings_dd_mod3[8] = +{ +/* FFFREE FST FSTP*/ + FPU_CYCLES(2,0,0), INVALID, FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0), +/* FUCOM FUCOMP*/ + FPU_CYCLES(1,0,0), FPU_CYCLES(1,0,0),INVALID, INVALID +}; + +static uint32_t opcode_timings_de[8] = +{ +/* FIADDw FIMULw FICOMw FICOMPw*/ + FPU_CYCLES(6,2,2), FPU_CYCLES(6,2,2), FPU_CYCLES(4,0,0), FPU_CYCLES(4,0,0), +/* FISUBw FISUBRw FIDIVw FIDIVRw*/ + FPU_CYCLES(6,2,2), FPU_CYCLES(6,2,2), FPU_CYCLES(42,38,2), FPU_CYCLES(42,38,2) +}; +static uint32_t opcode_timings_de_mod3[8] = +{ +/* FADDP FMULP FCOMPP*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), INVALID, FPU_CYCLES(1,0,0), +/* FSUBP FSUBRP FDIVP FDIVRP*/ + FPU_CYCLES(3,2,2), FPU_CYCLES(3,2,2), FPU_CYCLES(39,38,2), FPU_CYCLES(39,38,2) +}; + +static uint32_t opcode_timings_df[8] = +{ +/* FILDiw FISTiw FISTPiw*/ + FPU_CYCLES(3,2,2), INVALID, FPU_CYCLES(6,0,0), FPU_CYCLES(6,0,0), +/* FILDiq FBSTP FISTPiq*/ + INVALID, FPU_CYCLES(3,2,2), FPU_CYCLES(148,0,0), FPU_CYCLES(6,0,0) +}; +static uint32_t opcode_timings_df_mod3[8] = +{ + INVALID, INVALID, INVALID, INVALID, +/* FSTSW AX*/ + FPU_CYCLES(6,0,0), INVALID, INVALID, INVALID +}; + +static uint32_t opcode_timings_8x[8] = +{ + CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2) +}; +static uint32_t opcode_timings_8x_mod3[8] = +{ + CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2) +}; +static uint32_t opcode_timings_81[8] = +{ + CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2) +}; +static uint32_t opcode_timings_81_mod3[8] = +{ + CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(2) +}; + +static int timing_count; +static uint8_t last_prefix; +static uint32_t regmask_modified; +static int decode_delay, decode_delay_offset; +static int fpu_latency; +static int fpu_st_latency[8]; + +static int u_pipe_full; +static uint32_t u_pipe_opcode; +static uint32_t *u_pipe_timings; +static uint32_t u_pipe_op_32; +static uint32_t u_pipe_regmask; +static uint32_t u_pipe_fetchdat; +static int u_pipe_decode_delay_offset; +static uint64_t *u_pipe_deps; + +int can_pair(uint32_t timing_a, uint32_t timing_b, uint8_t regmask_b) +{ + /*Only MMX/3DNow instructions can pair*/ + if (!(timing_b & CYCLES_IS_MMX)) + return 0; + /*Only one MMX multiply per cycle*/ + if ((timing_a & CYCLES_IS_MMX_MUL) && (timing_b & CYCLES_IS_MMX_MUL)) + return 0; + /*Only one MMX shift/pack per cycle*/ + if ((timing_a & CYCLES_IS_MMX_SHIFT) && (timing_b & CYCLES_IS_MMX_SHIFT)) + return 0; + /*Second instruction can not access registers written by first*/ + if (u_pipe_regmask & regmask_b) + return 0; + /*Must have had enough time to decode prefixes*/ + if ((decode_delay+decode_delay_offset+u_pipe_decode_delay_offset) > 0) + return 0; + + return 1; +} + +static inline int COUNT(uint32_t c, int op_32) +{ + if (c & CYCLES_FPU) + return FPU_I_LATENCY(c); + if (c & CYCLES_HAS_MULTI) + { + if (op_32 & 0x100) + return (c >> 8) & 0xff; + return c & 0xff; + } + return GET_CYCLES(c); +} + +static int check_agi(uint64_t *deps, uint8_t opcode, uint32_t fetchdat, int op_32) +{ + uint32_t addr_regmask = get_addr_regmask(deps[opcode], fetchdat, op_32); + + /*Instructions that use ESP implicitly (eg PUSH, POP, CALL etc) do not + cause AGIs with each other, but do with instructions that use it explicitly*/ + if ((addr_regmask & REGMASK_IMPL_ESP) && (regmask_modified & (1 << REG_ESP)) && !(regmask_modified & REGMASK_IMPL_ESP)) + addr_regmask |= (1 << REG_ESP); + + return (regmask_modified & addr_regmask) & ~REGMASK_IMPL_ESP; +} + +static int codegen_fpu_latencies(uint64_t deps, int reg) +{ + int latency = fpu_latency; + + if ((deps & FPU_RW_ST0) && fpu_st_latency[0] && fpu_st_latency[0] > latency) + latency = fpu_st_latency[0]; + if ((deps & FPU_RW_ST1) && fpu_st_latency[1] && fpu_st_latency[1] > latency) + latency = fpu_st_latency[1]; + if ((deps & FPU_RW_STREG) && fpu_st_latency[reg] && fpu_st_latency[reg] > latency) + latency = fpu_st_latency[reg]; + + return latency; +} + +#define SUB_AND_CLAMP(latency, count) \ + latency -= count; \ + if (latency < 0) \ + latency = 0 + +static void codegen_fpu_latency_clock(int count) +{ + SUB_AND_CLAMP(fpu_latency, count); + SUB_AND_CLAMP(fpu_st_latency[0], count); + SUB_AND_CLAMP(fpu_st_latency[1], count); + SUB_AND_CLAMP(fpu_st_latency[2], count); + SUB_AND_CLAMP(fpu_st_latency[3], count); + SUB_AND_CLAMP(fpu_st_latency[4], count); + SUB_AND_CLAMP(fpu_st_latency[5], count); + SUB_AND_CLAMP(fpu_st_latency[6], count); + SUB_AND_CLAMP(fpu_st_latency[7], count); +} + +static void codegen_instruction(uint32_t *timings, uint64_t *deps, uint8_t opcode, uint32_t fetchdat, int decode_delay_offset, int op_32, int exec_delay) +{ + int instr_cycles, latency = 0; + + if ((timings[opcode] & CYCLES_FPU) && !(deps[opcode] & FPU_FXCH)) + instr_cycles = latency = codegen_fpu_latencies(deps[opcode], fetchdat & 7); + else + instr_cycles = 0; + + if ((decode_delay + decode_delay_offset) > 0) + codegen_fpu_latency_clock(decode_delay + decode_delay_offset + instr_cycles); + else + codegen_fpu_latency_clock(instr_cycles); + instr_cycles += COUNT(timings[opcode], op_32); + instr_cycles += exec_delay; + if ((decode_delay + decode_delay_offset) > 0) + codegen_block_cycles += instr_cycles + decode_delay + decode_delay_offset; + else + codegen_block_cycles += instr_cycles; + decode_delay = (-instr_cycles) + 1; + + if (deps[opcode] & FPU_POP) + { + int c; + + for (c = 0; c < 7; c++) + fpu_st_latency[c] = fpu_st_latency[c+1]; + fpu_st_latency[7] = 0; + } + if (deps[opcode] & FPU_POP2) + { + int c; + + for (c = 0; c < 6; c++) + fpu_st_latency[c] = fpu_st_latency[c+2]; + fpu_st_latency[6] = fpu_st_latency[7] = 0; + } + if (timings[opcode] & CYCLES_FPU) + { + /* if (fpu_latency) + fatal("Bad latency FPU\n");*/ + fpu_latency = FPU_F_LATENCY(timings[opcode]); + } + + if (deps[opcode] & FPU_PUSH) + { + int c; + + for (c = 0; c < 7; c++) + fpu_st_latency[c+1] = fpu_st_latency[c]; + fpu_st_latency[0] = 0; + } + if (deps[opcode] & FPU_WRITE_ST0) + { +/* if (fpu_st_latency[0]) + fatal("Bad latency ST0\n");*/ + fpu_st_latency[0] = FPU_RESULT_LATENCY(timings[opcode]); + } + if (deps[opcode] & FPU_WRITE_ST1) + { +/* if (fpu_st_latency[1]) + fatal("Bad latency ST1\n");*/ + fpu_st_latency[1] = FPU_RESULT_LATENCY(timings[opcode]); + } + if (deps[opcode] & FPU_WRITE_STREG) + { + int reg = fetchdat & 7; + if (deps[opcode] & FPU_POP) + reg--; + if (reg >= 0 && + !(reg == 0 && (deps[opcode] & FPU_WRITE_ST0)) && + !(reg == 1 && (deps[opcode] & FPU_WRITE_ST1))) + { +/* if (fpu_st_latency[reg]) + fatal("Bad latency STREG %i %08x %i %016llx %02x\n",fpu_st_latency[reg], fetchdat, reg, timings[opcode], opcode);*/ + fpu_st_latency[reg] = FPU_RESULT_LATENCY(timings[opcode]); + } + } +} + +static void codegen_timing_winchip2_block_start() +{ + regmask_modified = 0; + decode_delay = decode_delay_offset = 0; + u_pipe_full = 0; +} + +static void codegen_timing_winchip2_start() +{ + timing_count = 0; + last_prefix = 0; +} + +static void codegen_timing_winchip2_prefix(uint8_t prefix, uint32_t fetchdat) +{ + if (prefix == 0x0f) + { + /*0fh prefix is 'free'*/ + last_prefix = prefix; + return; + } + /*On WinChip all prefixes take 1 cycle to decode. Decode may be shadowed + by execution of previous instructions*/ + decode_delay_offset++; + last_prefix = prefix; +} + +static void codegen_timing_winchip2_opcode(uint8_t opcode, uint32_t fetchdat, int op_32) +{ + uint32_t *timings; + uint64_t *deps; + int mod3 = ((fetchdat & 0xc0) == 0xc0); + int bit8 = !(opcode & 1); + int agi_stall = 0; + + switch (last_prefix) + { + case 0x0f: + timings = mod3 ? opcode_timings_0f_mod3 : opcode_timings_0f; + deps = mod3 ? opcode_deps_0f_mod3 : opcode_deps_0f; +// pclog("timings 0f\n"); + break; + + case 0xd8: + timings = mod3 ? opcode_timings_d8_mod3 : opcode_timings_d8; + deps = mod3 ? opcode_deps_d8_mod3 : opcode_deps_d8; + opcode = (opcode >> 3) & 7; +// pclog("timings d8\n"); + break; + case 0xd9: + timings = mod3 ? opcode_timings_d9_mod3 : opcode_timings_d9; + deps = mod3 ? opcode_deps_d9_mod3 : opcode_deps_d9; + opcode = mod3 ? opcode & 0x3f : (opcode >> 3) & 7; +// pclog("timings d9\n"); + break; + case 0xda: + timings = mod3 ? opcode_timings_da_mod3 : opcode_timings_da; + deps = mod3 ? opcode_deps_da_mod3 : opcode_deps_da; + opcode = (opcode >> 3) & 7; +// pclog("timings da\n"); + break; + case 0xdb: + timings = mod3 ? opcode_timings_db_mod3 : opcode_timings_db; + deps = mod3 ? opcode_deps_db_mod3 : opcode_deps_db; + opcode = mod3 ? opcode & 0x3f : (opcode >> 3) & 7; +// pclog("timings db\n"); + break; + case 0xdc: + timings = mod3 ? opcode_timings_dc_mod3 : opcode_timings_dc; + deps = mod3 ? opcode_deps_dc_mod3 : opcode_deps_dc; + opcode = (opcode >> 3) & 7; +// pclog("timings dc\n"); + break; + case 0xdd: + timings = mod3 ? opcode_timings_dd_mod3 : opcode_timings_dd; + deps = mod3 ? opcode_deps_dd_mod3 : opcode_deps_dd; + opcode = (opcode >> 3) & 7; +// pclog("timings dd\n"); + break; + case 0xde: + timings = mod3 ? opcode_timings_de_mod3 : opcode_timings_de; + deps = mod3 ? opcode_deps_de_mod3 : opcode_deps_de; + opcode = (opcode >> 3) & 7; +// pclog("timings de\n"); + break; + case 0xdf: + timings = mod3 ? opcode_timings_df_mod3 : opcode_timings_df; + deps = mod3 ? opcode_deps_df_mod3 : opcode_deps_df; + opcode = (opcode >> 3) & 7; +// pclog("timings df\n"); + break; + + default: + switch (opcode) + { + case 0x80: case 0x82: case 0x83: + timings = mod3 ? opcode_timings_8x_mod3 : opcode_timings_8x; + deps = mod3 ? opcode_deps_8x_mod3 : opcode_deps_8x_mod3; + opcode = (fetchdat >> 3) & 7; +// pclog("timings 80 %p %p %p\n", (void *)timings, (void *)opcode_timings_mod3, (void *)opcode_timings_8x); + break; + case 0x81: + timings = mod3 ? opcode_timings_81_mod3 : opcode_timings_81; + deps = mod3 ? opcode_deps_81_mod3 : opcode_deps_81; + opcode = (fetchdat >> 3) & 7; +// pclog("timings 80 %p %p %p\n", (void *)timings, (void *)opcode_timings_mod3, (void *)opcode_timings_8x); + break; + + case 0xc0: case 0xc1: case 0xd0: case 0xd1: case 0xd2: case 0xd3: + timings = mod3 ? opcode_timings_shift_mod3 : opcode_timings_shift; + deps = mod3 ? opcode_deps_shift_mod3 : opcode_deps_shift; + opcode = (fetchdat >> 3) & 7; +// pclog("timings c0\n"); + break; + + case 0xf6: + timings = mod3 ? opcode_timings_f6_mod3 : opcode_timings_f6; + deps = mod3 ? opcode_deps_f6_mod3 : opcode_deps_f6; + opcode = (fetchdat >> 3) & 7; +// pclog("timings f6\n"); + break; + case 0xf7: + timings = mod3 ? opcode_timings_f7_mod3 : opcode_timings_f7; + deps = mod3 ? opcode_deps_f7_mod3 : opcode_deps_f7; + opcode = (fetchdat >> 3) & 7; +// pclog("timings f7\n"); + break; + case 0xff: + timings = mod3 ? opcode_timings_ff_mod3 : opcode_timings_ff; + deps = mod3 ? opcode_deps_ff_mod3 : opcode_deps_ff; + opcode = (fetchdat >> 3) & 7; +// pclog("timings ff\n"); + break; + + default: + timings = mod3 ? opcode_timings_mod3 : opcode_timings; + deps = mod3 ? opcode_deps_mod3 : opcode_deps; +// pclog("timings normal\n"); + break; + } + } + + if (u_pipe_full) + { + uint8_t regmask = get_srcdep_mask(deps[opcode], fetchdat, bit8, u_pipe_op_32); + + if (can_pair(u_pipe_timings[u_pipe_opcode], timings[opcode], regmask)) + { + int cycles_a = u_pipe_timings[u_pipe_opcode] & 0xff; + int cycles_b = timings[opcode] & 0xff; + uint32_t timing = (cycles_a > cycles_b) ? u_pipe_timings[u_pipe_opcode] : timings[opcode]; + uint64_t temp_deps = 0; + + if (check_agi(deps, opcode, fetchdat, op_32) || check_agi(u_pipe_deps, u_pipe_opcode, u_pipe_fetchdat, u_pipe_op_32)) + agi_stall = 1; + + codegen_instruction(&timing, &temp_deps, 0, 0, 0, 0, agi_stall); + u_pipe_full = 0; + decode_delay_offset = 0; + regmask_modified = get_dstdep_mask(deps[opcode], fetchdat, bit8) | u_pipe_regmask; + return; + } + else + { + /*No pairing, run first instruction now*/ + if (check_agi(u_pipe_deps, u_pipe_opcode, u_pipe_fetchdat, u_pipe_op_32)) + agi_stall = 1; + codegen_instruction(u_pipe_timings, u_pipe_deps, u_pipe_opcode, u_pipe_fetchdat, u_pipe_decode_delay_offset, u_pipe_op_32, agi_stall); + u_pipe_full = 0; + regmask_modified = u_pipe_regmask; + } + } + if (timings[opcode] & CYCLES_IS_MMX) + { + /*Might pair with next instruction*/ + u_pipe_full = 1; + u_pipe_opcode = opcode; + u_pipe_timings = timings; + u_pipe_op_32 = op_32; + u_pipe_regmask = get_dstdep_mask(deps[opcode], fetchdat, bit8); + u_pipe_fetchdat = fetchdat; + u_pipe_decode_delay_offset = decode_delay_offset; + u_pipe_deps = deps; + decode_delay_offset = 0; + return; + } + + if (check_agi(deps, opcode, fetchdat, op_32)) + agi_stall = 1; + codegen_instruction(timings, deps, opcode, fetchdat, decode_delay_offset, op_32, agi_stall); + decode_delay_offset = 0; + regmask_modified = get_dstdep_mask(deps[opcode], fetchdat, bit8); +} + +static void codegen_timing_winchip2_block_end() +{ + if (u_pipe_full) + { + int agi_stall = 0; + + if (check_agi(u_pipe_deps, u_pipe_opcode, u_pipe_fetchdat, u_pipe_op_32)) + agi_stall = 1; + codegen_instruction(u_pipe_timings, u_pipe_deps, u_pipe_opcode, u_pipe_fetchdat, u_pipe_decode_delay_offset, u_pipe_op_32, agi_stall); + u_pipe_full = 0; + } +} + +codegen_timing_t codegen_timing_winchip2 = +{ + codegen_timing_winchip2_start, + codegen_timing_winchip2_prefix, + codegen_timing_winchip2_opcode, + codegen_timing_winchip2_block_start, + codegen_timing_winchip2_block_end +}; diff --git a/src/cpu.c b/src/cpu.c index 750f473..59cc22c 100644 --- a/src/cpu.c +++ b/src/cpu.c @@ -1047,7 +1047,7 @@ void cpu_set() timing_jmp_pm_gate = 17; timing_misaligned = 2; cpu_cyrix_alignment = 1; - codegen_timing_set(&codegen_timing_winchip); + codegen_timing_set(&codegen_timing_winchip2); break; case CPU_PENTIUM: