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x86-32 recompiler compiles FPU instructions using direct access to register stack when top-of-stack is static. Minor speedup.

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This commit is contained in:
SarahW 2016-09-11 15:38:05 +01:00
commit 75f9316c11
5 changed files with 1395 additions and 785 deletions
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11
src/codegen_x86-64.c
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@ -281,7 +281,8 @@ void codegen_block_init(uint32_t phys_addr)
block->next = block->prev = NULL;
block->next_2 = block->prev_2 = NULL;
block->page_mask = 0;
block->flags = 0;
block->was_recompiled = 0;
recomp_page = block->phys & ~0xfff;
@ -1005,6 +1006,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xd9:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_d9_a32 : x86_dynarec_opcodes_d9_a16;
@ -1013,6 +1015,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xda:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_da_a32 : x86_dynarec_opcodes_da_a16;
@ -1021,6 +1024,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdb:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_db_a32 : x86_dynarec_opcodes_db_a16;
@ -1029,6 +1033,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdc:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_dc_a32 : x86_dynarec_opcodes_dc_a16;
@ -1038,6 +1043,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdd:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_dd_a32 : x86_dynarec_opcodes_dd_a16;
@ -1046,6 +1052,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xde:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_de_a32 : x86_dynarec_opcodes_de_a16;
@ -1054,6 +1061,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xdf:
op_table = (op_32 & 0x200) ? x86_dynarec_opcodes_df_a32 : x86_dynarec_opcodes_df_a16;
@ -1062,6 +1070,7 @@ void codegen_generate_call(uint8_t opcode, OpFn op, uint32_t fetchdat, uint32_t
over = 1;
pc_off = -1;
test_modrm = 0;
block->flags |= CODEBLOCK_HAS_FPU;
break;
case 0xf0: /*LOCK*/