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tcg-ppc64: Tidy or and xor patterns. 

Handle constants in common code; we'll want to reuse that later.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-02-01 20:22:05 -08:00
parent 148bdd2373
commit dce74c57bb
1 changed files with 31 additions and 24 deletions
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55
tcg/ppc64/tcg-target.c
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@ -527,6 +527,29 @@ static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg ret,
}
}
static void tcg_out_zori32(TCGContext *s, TCGReg dst, TCGReg src, uint32_t c,
int op_lo, int op_hi)
{
if (c >> 16) {
tcg_out32(s, op_hi | SAI(src, dst, c >> 16));
src = dst;
}
if (c & 0xffff) {
tcg_out32(s, op_lo | SAI(src, dst, c));
src = dst;
}
}
static void tcg_out_ori32(TCGContext *s, TCGReg dst, TCGReg src, uint32_t c)
{
tcg_out_zori32(s, dst, src, c, ORI, ORIS);
}
static void tcg_out_xori32(TCGContext *s, TCGReg dst, TCGReg src, uint32_t c)
{
tcg_out_zori32(s, dst, src, c, XORI, XORIS);
}
static void tcg_out_b (TCGContext *s, int mask, tcg_target_long target)
{
tcg_target_long disp;
@ -1349,37 +1372,21 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc, const TCGArg *args,
break;
case INDEX_op_or_i64:
case INDEX_op_or_i32:
a0 = args[0], a1 = args[1], a2 = args[2];
if (const_args[2]) {
if (args[2] & 0xffff) {
tcg_out32(s, ORI | SAI(args[1], args[0], args[2]));
if (args[2] >> 16) {
tcg_out32(s, ORIS | SAI(args[0], args[0], args[2] >> 16));
}
}
else {
tcg_out32(s, ORIS | SAI(args[1], args[0], args[2] >> 16));
}
tcg_out_ori32(s, a0, a1, a2);
} else {
tcg_out32(s, OR | SAB(a1, a0, a2));
}
else
tcg_out32 (s, OR | SAB (args[1], args[0], args[2]));
break;
case INDEX_op_xor_i64:
case INDEX_op_xor_i32:
a0 = args[0], a1 = args[1], a2 = args[2];
if (const_args[2]) {
if ((args[2] & 0xffff) == args[2]) {
tcg_out32(s, XORI | SAI(args[1], args[0], args[2]));
} else if ((args[2] & 0xffff0000) == args[2]) {
tcg_out32(s, XORIS | SAI(args[1], args[0], args[2] >> 16));
} else {
tcg_out_movi (s, (opc == INDEX_op_and_i32
? TCG_TYPE_I32
: TCG_TYPE_I64),
0, args[2]);
tcg_out32 (s, XOR | SAB (args[1], args[0], 0));
}
tcg_out_xori32(s, a0, a1, a2);
} else {
tcg_out32(s, XOR | SAB(a1, a0, a2));
}
else
tcg_out32 (s, XOR | SAB (args[1], args[0], args[2]));
break;
case INDEX_op_mul_i32: