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tcg-mips: Adjust move functions for mips64 

tcg_out_mov: using OPC_OR as most mips assemblers do;
tcg_out_movi: extended to 64-bit immediate.

Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: James Hogan <james.hogan@imgtec.com>
Tested-by: YunQiang Su <wzssyqa@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Jin Guojie <jinguojie@loongson.cn>
Message-Id: <1483592275-4496-6-git-send-email-jinguojie@loongson.cn>
This commit is contained in:
Jin Guojie 2017-01-05 12:57:50 +08:00 committed by Richard Henderson
parent 7f54eaa3b7
commit 2294d05dab
1 changed files with 25 additions and 9 deletions
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34
tcg/mips/tcg-target.inc.c
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@ -544,23 +544,39 @@ static inline void tcg_out_mov(TCGContext *s, TCGType type,
{ {
/* Simple reg-reg move, optimising out the 'do nothing' case */ /* Simple reg-reg move, optimising out the 'do nothing' case */
if (ret != arg) { if (ret != arg) {
tcg_out_opc_reg(s, OPC_ADDU, ret, arg, TCG_REG_ZERO); tcg_out_opc_reg(s, OPC_OR, ret, arg, TCG_REG_ZERO);
} }
} }
static inline void tcg_out_movi(TCGContext *s, TCGType type, static void tcg_out_movi(TCGContext *s, TCGType type,
TCGReg reg, tcg_target_long arg) TCGReg ret, tcg_target_long arg)
{ {
if (TCG_TARGET_REG_BITS == 64 && type == TCG_TYPE_I32) {
arg = (int32_t)arg;
}
if (arg == (int16_t)arg) { if (arg == (int16_t)arg) {
tcg_out_opc_imm(s, OPC_ADDIU, reg, TCG_REG_ZERO, arg); tcg_out_opc_imm(s, OPC_ADDIU, ret, TCG_REG_ZERO, arg);
} else if (arg == (uint16_t)arg) { return;
tcg_out_opc_imm(s, OPC_ORI, reg, TCG_REG_ZERO, arg); }
if (arg == (uint16_t)arg) {
tcg_out_opc_imm(s, OPC_ORI, ret, TCG_REG_ZERO, arg);
return;
}
if (TCG_TARGET_REG_BITS == 32 || arg == (int32_t)arg) {
tcg_out_opc_imm(s, OPC_LUI, ret, TCG_REG_ZERO, arg >> 16);
} else { } else {
tcg_out_opc_imm(s, OPC_LUI, reg, TCG_REG_ZERO, arg >> 16); tcg_out_movi(s, TCG_TYPE_I32, ret, arg >> 31 >> 1);
if (arg & 0xffff) { if (arg & 0xffff0000ull) {
tcg_out_opc_imm(s, OPC_ORI, reg, reg, arg & 0xffff); tcg_out_dsll(s, ret, ret, 16);
tcg_out_opc_imm(s, OPC_ORI, ret, ret, arg >> 16);
tcg_out_dsll(s, ret, ret, 16);
} else {
tcg_out_dsll(s, ret, ret, 32);
} }
} }
if (arg & 0xffff) {
tcg_out_opc_imm(s, OPC_ORI, ret, ret, arg & 0xffff);
}
} }
static inline void tcg_out_bswap16(TCGContext *s, TCGReg ret, TCGReg arg) static inline void tcg_out_bswap16(TCGContext *s, TCGReg ret, TCGReg arg)