diff options
| author | coadde [Márcio Alexandre Silva Delgado] <coadde@parabola.nu> | 2015-10-07 03:45:47 -0300 |
|---|---|---|
| committer | coadde [Márcio Alexandre Silva Delgado] <coadde@parabola.nu> | 2015-10-07 03:45:47 -0300 |
| commit | bfe5973df4540facd6ff7aff52fec4fb5ae1f0a1 (patch) | |
| tree | 4f6efde3995d3f524392ff72737fbf6db598f25a /pcr/reicast-multilib-git/loop-tracing.patch | |
| parent | 8bdfdd5e5f4918e7563319ebd10b4f19324b6bff (diff) | |
pcr/reicast-multilib-git: update pkg
Diffstat (limited to 'pcr/reicast-multilib-git/loop-tracing.patch')
| -rw-r--r-- | pcr/reicast-multilib-git/loop-tracing.patch | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/pcr/reicast-multilib-git/loop-tracing.patch b/pcr/reicast-multilib-git/loop-tracing.patch new file mode 100644 index 000000000..2e2b5ea97 --- /dev/null +++ b/pcr/reicast-multilib-git/loop-tracing.patch @@ -0,0 +1,109 @@ +diff -Nur a/core/rec-x86/rec_x86_driver.cpp b/core/rec-x86/rec_x86_driver.cpp +--- a/core/rec-x86/rec_x86_driver.cpp 2015-10-06 21:43:53.045336422 -0300 ++++ b/core/rec-x86/rec_x86_driver.cpp 2015-10-06 21:56:33.125833142 -0300 +@@ -289,6 +289,94 @@ + } + + ++RuntimeBlockInfo* old_block; ++ ++u32 old_loop; ++u32 old_old_loop; ++#include <map> ++ ++#include <algorithm> ++ ++u32 loops[RAM_SIZE]; ++u32 loops_cyc[RAM_SIZE]; ++u32 loops_hot[RAM_SIZE]; ++u32 loops_end[RAM_SIZE]; ++ ++ ++void print_loop_stats() { ++ ++ vector<pair<u32, u32>> vc; ++ int loopc = 0; ++ int loopo = 0; ++ ++ int ooc = 0; ++ int ooo = 0; ++ ++ for (int i = 0; i < RAM_SIZE; i += 2) { ++ if (loops_hot[i]) { ++ vc.push_back(pair<u32, u32>(-loops_cyc[i], i)); ++ ++ loopc += loops[i]; ++ ++ loopo += loops_cyc[i]; ++ } ++ ++ ooc += loops[i]; ++ ooo += loops_cyc[i]; ++ } ++ ++ sort(vc.begin(), vc.end()); ++ ++ printf("%d loops, %d, %d, %.2f, %.2f\n", vc.size(), loopc, loopo, loopc *100.0 / 1000000, loopo * 100.0 / ooo); ++ ++ memset(loops, 0, sizeof(loops)); ++ memset(loops_cyc, 0, sizeof(loops_cyc)); ++ memset(loops_hot, 0, sizeof(loops_hot)); ++ memset(loops_end, 0, sizeof(loops_end)); ++} ++int counts = 10000; ++void DYNACALL ngen_enter(RuntimeBlockInfo* block) { ++ if (BET_GET_CLS(block->BlockType) == BET_CLS_Dynamic) ++ old_block = 0; ++ ++ if (old_block) { ++ if ((old_block->addr & RAM_MASK) >= (block->addr & RAM_MASK)) { ++ loops[RAM_MASK & block->addr]++; ++ loops_cyc[RAM_MASK & block->addr] += block->guest_cycles; ++ ++ loops_end[RAM_MASK & block->addr] = max(loops_end[RAM_MASK & block->addr], RAM_MASK & old_block->addr); ++ ++ if (!loops_hot[RAM_MASK & block->addr] && loops[RAM_MASK & block->addr] > 1000) { ++ //printf("HOT LOOP %08X\n", block->addr); ++ ++ loops_hot[RAM_MASK & block->addr] = 1; ++ } ++ ++ old_old_loop = old_loop; ++ old_loop = old_block->addr & RAM_MASK; ++ } ++ ++ else { ++ if ((block->addr & RAM_MASK) > loops_end[old_loop] && old_old_loop != -1) { ++ old_loop = old_old_loop; ++ old_old_loop = -1; ++ } ++ ++ if ((block->addr & RAM_MASK) <= loops_end[old_loop]) { ++ loops[old_loop] ++; ++ loops_cyc[old_loop] += block->guest_cycles; ++ } ++ } ++ } ++ ++ old_block = block; ++ ++ if (--counts < 0) { ++ counts = 10000000; ++ print_loop_stats(); ++ } ++} ++ + void ngen_Compile(RuntimeBlockInfo* block,bool force_checks, bool reset, bool staging,bool optimise) + { + //initialise stuff +@@ -306,6 +394,10 @@ + + block->code=(DynarecCodeEntryPtr)emit_GetCCPtr(); + ++ x86e->Emit(op_mov32, ECX, unat(block)); ++ ++ x86e->Emit(op_call, x86_ptr_imm(&ngen_enter)); ++ + x86e->Emit(op_add32,&memops_t,block->memops); + x86e->Emit(op_add32,&memops_l,block->linkedmemops); + |