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Reduced number of unnecessary register loads in x86-64 recompiler.

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This commit is contained in:
TomW 2015-08-05 20:31:20 +01:00
commit 5f391a1992
4 changed files with 54 additions and 18 deletions
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6
src/codegen_ops_arith.h
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@ -7,9 +7,8 @@ static uint32_t ropINC_rw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
host_reg = LOAD_REG_W(opcode & 7);
STORE_HOST_REG_ADDR_WL((uint32_t)&flags_op1, host_reg);
ADD_HOST_REG_IMM(host_reg, 1);
ADD_HOST_REG_IMM_W(host_reg, 1);
STORE_IMM_ADDR_L((uint32_t)&flags_op2, 1);
AND_HOST_REG_IMM(host_reg, 0xffff);
STORE_IMM_ADDR_L((uint32_t)&flags_op, FLAGS_INC16);
STORE_HOST_REG_ADDR_WL((uint32_t)&flags_res, host_reg);
STORE_REG_W_RELEASE(host_reg);
@ -46,9 +45,8 @@ static uint32_t ropDEC_rw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
host_reg = LOAD_REG_W(opcode & 7);
STORE_HOST_REG_ADDR_WL((uint32_t)&flags_op1, host_reg);
SUB_HOST_REG_IMM(host_reg, 1);
SUB_HOST_REG_IMM_W(host_reg, 1);
STORE_IMM_ADDR_L((uint32_t)&flags_op2, 1);
AND_HOST_REG_IMM(host_reg, 0xffff);
STORE_IMM_ADDR_L((uint32_t)&flags_op, FLAGS_DEC16);
STORE_HOST_REG_ADDR_WL((uint32_t)&flags_res, host_reg);
STORE_REG_W_RELEASE(host_reg);