diff options
| author | Blue Swirl <blauwirbel@gmail.com> | 2011-05-28 06:51:52 +0000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-06-26 18:25:49 +0000 |
| commit | e83c80f7180fc70570c2592ee5af5835e2a6942b (patch) | |
| tree | b494aafc2151a658f1566be81f39a0733e2e49d9 | |
| parent | 345649c054648ce5812bb2b247969d188dcb0f87 (diff) | |
TCG/x86: use TCG_REG_CALL_STACK instead of TCG_REG_ESP
Except for specific cases where the use of %esp changes the encoding of
the instruction, it's cleaner to use TCG_REG_CALL_STACK instead of
TCG_REG_ESP.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
| -rw-r--r-- | tcg/i386/tcg-target.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c index 3ff91053f9..4c29cedff1 100644 --- a/tcg/i386/tcg-target.c +++ b/tcg/i386/tcg-target.c @@ -1398,7 +1398,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, /* Pop and discard. This is 2 bytes smaller than the add. */ tcg_out_pop(s, TCG_REG_ECX); } else if (stack_adjust != 0) { - tcg_out_addi(s, TCG_REG_ESP, stack_adjust); + tcg_out_addi(s, TCG_REG_CALL_STACK, stack_adjust); } /* label2: */ @@ -1931,7 +1931,7 @@ static void tcg_target_qemu_prologue(TCGContext *s) frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) & ~(TCG_TARGET_STACK_ALIGN - 1); stack_addend = frame_size - push_size; - tcg_out_addi(s, TCG_REG_ESP, -stack_addend); + tcg_out_addi(s, TCG_REG_CALL_STACK, -stack_addend); tcg_out_mov(s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]); @@ -1941,7 +1941,7 @@ static void tcg_target_qemu_prologue(TCGContext *s) /* TB epilogue */ tb_ret_addr = s->code_ptr; - tcg_out_addi(s, TCG_REG_ESP, stack_addend); + tcg_out_addi(s, TCG_REG_CALL_STACK, stack_addend); for (i = ARRAY_SIZE(tcg_target_callee_save_regs) - 1; i >= 0; i--) { tcg_out_pop(s, tcg_target_callee_save_regs[i]); @@ -1978,7 +1978,7 @@ static void tcg_target_init(TCGContext *s) } tcg_regset_clear(s->reserved_regs); - tcg_regset_set_reg(s->reserved_regs, TCG_REG_ESP); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK); tcg_add_target_add_op_defs(x86_op_defs); tcg_set_frame(s, TCG_AREG0, offsetof(CPUState, temp_buf), |