diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-01-29 22:01:11 -1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-03-17 07:24:44 -0600 |
| commit | 158d38737bb4f23ef66b149e0897270dcaacfd12 (patch) | |
| tree | 1d5c2c236ab359e2cd48f8cc8424265a63d3d599 /tcg | |
| parent | 2ed8a3819219d3e0d57ec3990760b9d9fcece00b (diff) | |
tcg/tci: Reuse tci_args_l for exit_tb
Do not emit a uint64_t, but a tcg_target_ulong, aka uintptr_t.
This reduces the size of the constant on 32-bit hosts.
The assert for label != NULL has to be removed because that
is a valid value for exit_tb.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/tci.c | 13 | ||||
| -rw-r--r-- | tcg/tci/tcg-target.c.inc | 2 |
2 files changed, 5 insertions, 10 deletions
@@ -160,9 +160,7 @@ tci_read_ulong(const tcg_target_ulong *regs, const uint8_t **tb_ptr) static tcg_target_ulong tci_read_label(const uint8_t **tb_ptr) { - tcg_target_ulong label = tci_read_i(tb_ptr); - tci_assert(label != 0); - return label; + return tci_read_i(tb_ptr); } /* @@ -402,7 +400,6 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, tcg_target_ulong regs[TCG_TARGET_NB_REGS]; long tcg_temps[CPU_TEMP_BUF_NLONGS]; uintptr_t sp_value = (uintptr_t)(tcg_temps + CPU_TEMP_BUF_NLONGS); - uintptr_t ret = 0; regs[TCG_AREG0] = (tcg_target_ulong)env; regs[TCG_REG_CALL_STACK] = sp_value; @@ -817,9 +814,9 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, /* QEMU specific operations. */ case INDEX_op_exit_tb: - ret = *(uint64_t *)tb_ptr; - goto exit; - break; + tci_args_l(&tb_ptr, &ptr); + return (uintptr_t)ptr; + case INDEX_op_goto_tb: /* Jump address is aligned */ tb_ptr = QEMU_ALIGN_PTR_UP(tb_ptr, 4); @@ -977,6 +974,4 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env, } tci_assert(tb_ptr == old_code_ptr + op_size); } -exit: - return ret; } diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc index c79f9c32d8..ff8040510f 100644 --- a/tcg/tci/tcg-target.c.inc +++ b/tcg/tci/tcg-target.c.inc @@ -401,7 +401,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, switch (opc) { case INDEX_op_exit_tb: - tcg_out64(s, args[0]); + tcg_out_i(s, args[0]); break; case INDEX_op_goto_tb: |