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tcg-ppc64: Implement mulu2/muls2_i64

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Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-03-04 16:20:51 -08:00
parent 6c858762de
commit 6645c147db
2 changed files with 29 additions and 2 deletions
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27
tcg/ppc64/tcg-target.c
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@ -1988,6 +1988,31 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc, const TCGArg *args,
}
break;
case INDEX_op_mulu2_i64:
case INDEX_op_muls2_i64:
{
int oph = (opc == INDEX_op_mulu2_i64 ? MULHDU : MULHD);
TCGReg outl = args[0], outh = args[1];
a0 = args[2], a1 = args[3];
if (outl == a0 || outl == a1) {
if (outh == a0 || outh == a1) {
outl = TCG_REG_R0;
} else {
tcg_out32(s, oph | TAB(outh, a0, a1));
oph = 0;
}
}
tcg_out32(s, MULLD | TAB(outl, a0, a1));
if (oph != 0) {
tcg_out32(s, oph | TAB(outh, a0, a1));
}
if (outl != args[0]) {
tcg_out_mov(s, TCG_TYPE_I64, args[0], outl);
}
}
break;
default:
tcg_dump_ops (s);
tcg_abort ();
@ -2116,6 +2141,8 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_add2_i64, { "r", "r", "r", "rI", "r", "rZM" } },
{ INDEX_op_sub2_i64, { "r", "r", "rI", "r", "rZM", "r" } },
{ INDEX_op_muls2_i64, { "r", "r", "r", "r" } },
{ INDEX_op_mulu2_i64, { "r", "r", "r", "r" } },
{ -1 },
};

4
tcg/ppc64/tcg-target.h
View File

@ -114,8 +114,8 @@ typedef enum {
#define TCG_TARGET_HAS_movcond_i64 1
#define TCG_TARGET_HAS_add2_i64 1
#define TCG_TARGET_HAS_sub2_i64 1
#define TCG_TARGET_HAS_mulu2_i64 0
#define TCG_TARGET_HAS_muls2_i64 0
#define TCG_TARGET_HAS_mulu2_i64 1
#define TCG_TARGET_HAS_muls2_i64 1
#define TCG_AREG0 TCG_REG_R27