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tcg-ppc64: Fix sub2 implementation 

All sorts of confusion on argument ordering.

Tested-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-03-26 18:56:31 -07:00
parent ffcfbecec3
commit b31284cecf
1 changed files with 7 additions and 7 deletions
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14
tcg/ppc64/tcg-target.c
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@ -2009,18 +2009,18 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
case INDEX_op_sub2_i64:
a0 = args[0], a1 = args[1];
if (a0 == args[5] || (!const_args[4] && a0 == args[4])) {
if (a0 == args[5] || (!const_args[3] && a0 == args[3])) {
a0 = TCG_REG_R0;
}
if (const_args[2]) {
tcg_out32(s, SUBFIC | TAI(a0, args[3], args[2]));
tcg_out32(s, SUBFIC | TAI(a0, args[4], args[2]));
} else {
tcg_out32(s, SUBFC | TAB(a0, args[3], args[2]));
tcg_out32(s, SUBFC | TAB(a0, args[4], args[2]));
}
if (const_args[4]) {
tcg_out32(s, (args[4] ? SUBFME : SUBFZE) | RT(a1) | RA(args[5]));
if (const_args[3]) {
tcg_out32(s, (args[3] ? SUBFME : SUBFZE) | RT(a1) | RA(args[5]));
} else {
tcg_out32(s, SUBFE | TAB(a1, args[5], args[4]));
tcg_out32(s, SUBFE | TAB(a1, args[5], args[3]));
}
if (a0 != args[0]) {
tcg_out_mov(s, TCG_TYPE_REG, args[0], a0);
@ -2146,7 +2146,7 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_deposit_i64, { "r", "0", "rZ" } },
{ INDEX_op_add2_i64, { "r", "r", "r", "r", "rI", "rZM" } },
{ INDEX_op_sub2_i64, { "r", "r", "rI", "r", "rZM", "r" } },
{ INDEX_op_sub2_i64, { "r", "r", "rI", "rZM", "r", "r" } },
{ INDEX_op_mulsh_i64, { "r", "r", "r" } },
{ INDEX_op_muluh_i64, { "r", "r", "r" } },