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tcg/tci: Reuse tci_args_l for goto_tb

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Convert to indirect jumps, as it's less complicated.
Then we just have a pointer to the tb address at which
the chain is stored, from which we read.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-01-29 22:11:43 -10:00
parent 158d38737b
commit 1670a2b9bb
3 changed files with 9 additions and 23 deletions
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11
tcg/tci/tcg-target.h
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@ -87,7 +87,7 @@
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0
#define TCG_TARGET_HAS_goto_ptr 0
#define TCG_TARGET_HAS_direct_jump 1
#define TCG_TARGET_HAS_direct_jump 0
#define TCG_TARGET_HAS_qemu_st8_i32 0
#if TCG_TARGET_REG_BITS == 64
@ -174,12 +174,7 @@ void tci_disas(uint8_t opc);
#define TCG_TARGET_HAS_MEMORY_BSWAP 1
static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_rx,
uintptr_t jmp_rw, uintptr_t addr)
{
/* patch the branch destination */
qatomic_set((int32_t *)jmp_rw, addr - (jmp_rx + 4));
/* no need to flush icache explicitly */
}
/* not defined -- call should be eliminated at compile time */
void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
#endif /* TCG_TARGET_H */