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tcg/sparc: Use tcg_tbrel_diff 

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-11-05 23:20:45 +03:00
parent d54401dfef
commit 47c2206ba4
1 changed files with 7 additions and 8 deletions
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15
tcg/sparc/tcg-target.c.inc
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@ -440,7 +440,7 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret,
/* A 13-bit constant relative to the TB. */
if (!in_prologue && USE_REG_TB) {
test = arg - (uintptr_t)s->code_gen_ptr;
test = tcg_tbrel_diff(s, (void *)arg);
if (check_fit_ptr(test, 13)) {
tcg_out_arithi(s, ret, TCG_REG_TB, test, ARITH_ADD);
return;
@ -537,15 +537,15 @@ static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val,
return false;
}
static void tcg_out_ld_ptr(TCGContext *s, TCGReg ret, uintptr_t arg)
static void tcg_out_ld_ptr(TCGContext *s, TCGReg ret, const void *arg)
{
intptr_t diff = arg - (uintptr_t)s->code_gen_ptr;
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, arg & ~0x3ff);
tcg_out_ld(s, TCG_TYPE_PTR, ret, ret, arg & 0x3ff);
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 inline void tcg_out_sety(TCGContext *s, TCGReg rs)
@ -1313,7 +1313,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_movi_imm13(s, TCG_REG_O0, a0);
break;
} else if (USE_REG_TB) {
intptr_t tb_diff = a0 - (uintptr_t)s->code_gen_ptr;
intptr_t tb_diff = tcg_tbrel_diff(s, (void *)a0);
if (check_fit_ptr(tb_diff, 13)) {
tcg_out_arithi(s, TCG_REG_G0, TCG_REG_I7, 8, RETURN);
/* Note that TCG_REG_TB has been unwound to O1. */
@ -1345,8 +1345,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
}
} else {
/* indirect jump method */
tcg_out_ld_ptr(s, TCG_REG_TB,
(uintptr_t)(s->tb_jmp_target_addr + a0));
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);
}