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tcg/sparc64: Remove unused goto_tb code for indirect jump 

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 15:05:37 -08:00
parent cea583d13c
commit 1ce41e0443
1 changed files with 12 additions and 29 deletions
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21
tcg/sparc64/tcg-target.c.inc
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@ -537,17 +537,6 @@ static bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val,
return false;
}
static void tcg_out_ld_ptr(TCGContext *s, TCGReg ret, const void *arg)
{
intptr_t diff = tcg_tbrel_diff(s, arg);
if (USE_REG_TB && check_fit_ptr(diff, 13)) {
tcg_out_ld(s, TCG_TYPE_PTR, ret, TCG_REG_TB, diff);
return;
}
tcg_out_movi(s, TCG_TYPE_PTR, ret, (uintptr_t)arg & ~0x3ff);
tcg_out_ld(s, TCG_TYPE_PTR, ret, ret, (uintptr_t)arg & 0x3ff);
}
static void tcg_out_sety(TCGContext *s, TCGReg rs)
{
tcg_out32(s, WRY | INSN_RS1(TCG_REG_G0) | INSN_RS2(rs));
@ -1463,8 +1452,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
switch (opc) {
case INDEX_op_goto_tb:
if (s->tb_jmp_insn_offset) {
/* direct jump method */
qemu_build_assert(TCG_TARGET_HAS_direct_jump);
/* Direct jump. */
if (USE_REG_TB) {
/* make sure the patch is 8-byte aligned. */
if ((intptr_t)s->code_ptr & 4) {
@ -1480,12 +1469,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out32(s, CALL);
tcg_out_nop(s);
}
} else {
/* indirect jump method */
tcg_out_ld_ptr(s, TCG_REG_TB, s->tb_jmp_target_addr + a0);
tcg_out_arithi(s, TCG_REG_G0, TCG_REG_TB, 0, JMPL);
tcg_out_nop(s);
}
set_jmp_reset_offset(s, a0);
/* For the unlinked path of goto_tb, we need to reset