tcg/ppc: Tidy up tcg_target_const_match

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-28 01:34:16 +00:00
parent 740f1d40e5
commit 2f2faef6b0

View file

@ -282,31 +282,36 @@ static bool reloc_pc34(tcg_insn_unit *src_rw, const tcg_insn_unit *target)
} }
/* test if a constant matches the constraint */ /* test if a constant matches the constraint */
static bool tcg_target_const_match(int64_t val, int ct, static bool tcg_target_const_match(int64_t sval, int ct,
TCGType type, TCGCond cond, int vece) TCGType type, TCGCond cond, int vece)
{ {
uint64_t uval = sval;
if (ct & TCG_CT_CONST) { if (ct & TCG_CT_CONST) {
return 1; return 1;
} }
/* The only 32-bit constraint we use aside from
TCG_CT_CONST is TCG_CT_CONST_S16. */
if (type == TCG_TYPE_I32) { if (type == TCG_TYPE_I32) {
val = (int32_t)val; uval = (uint32_t)sval;
sval = (int32_t)sval;
} }
if ((ct & TCG_CT_CONST_S16) && val == (int16_t)val) { if ((ct & TCG_CT_CONST_S16) && sval == (int16_t)sval) {
return 1; return 1;
} else if ((ct & TCG_CT_CONST_S32) && val == (int32_t)val) { }
if ((ct & TCG_CT_CONST_S32) && sval == (int32_t)sval) {
return 1; return 1;
} else if ((ct & TCG_CT_CONST_U32) && val == (uint32_t)val) { }
if ((ct & TCG_CT_CONST_U32) && uval == (uint32_t)uval) {
return 1; return 1;
} else if ((ct & TCG_CT_CONST_ZERO) && val == 0) { }
if ((ct & TCG_CT_CONST_ZERO) && sval == 0) {
return 1; return 1;
} else if ((ct & TCG_CT_CONST_MONE) && val == -1) { }
if ((ct & TCG_CT_CONST_MONE) && sval == -1) {
return 1; return 1;
} else if ((ct & TCG_CT_CONST_WSZ) }
&& val == (type == TCG_TYPE_I32 ? 32 : 64)) { if ((ct & TCG_CT_CONST_WSZ) && sval == (type == TCG_TYPE_I32 ? 32 : 64)) {
return 1; return 1;
} }
return 0; return 0;