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tcg/i386: Remove unused goto_tb code for indirect jump

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Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-11-26 15:04:26 -08:00
parent b55a8d9d0b
commit 3bb8500ef8
1 changed files with 5 additions and 9 deletions
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14
tcg/i386/tcg-target.c.inc
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@ -2383,23 +2383,19 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
switch (opc) { switch (opc) {
case INDEX_op_goto_tb: case INDEX_op_goto_tb:
if (s->tb_jmp_insn_offset) { qemu_build_assert(TCG_TARGET_HAS_direct_jump);
/* direct jump method */ {
int gap; /*
/* jump displacement must be aligned for atomic patching; * Jump displacement must be aligned for atomic patching;
* see if we need to add extra nops before jump * see if we need to add extra nops before jump
*/ */
gap = QEMU_ALIGN_PTR_UP(s->code_ptr + 1, 4) - s->code_ptr; int gap = QEMU_ALIGN_PTR_UP(s->code_ptr + 1, 4) - s->code_ptr;
if (gap != 1) { if (gap != 1) {
tcg_out_nopn(s, gap - 1); tcg_out_nopn(s, gap - 1);
} }
tcg_out8(s, OPC_JMP_long); /* jmp im */ tcg_out8(s, OPC_JMP_long); /* jmp im */
s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s); s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s);
tcg_out32(s, 0); tcg_out32(s, 0);
} else {
/* indirect jump method */
tcg_out_modrm_offset(s, OPC_GRP5, EXT5_JMPN_Ev, -1,
(intptr_t)(s->tb_jmp_target_addr + a0));
} }
set_jmp_reset_offset(s, a0); set_jmp_reset_offset(s, a0);
break; break;