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tcg-ppc64: Introduce and use tcg_out_shri64 

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 15:19:05 -08:00
parent 0a9564b964
commit 5e916c287e
1 changed files with 7 additions and 2 deletions
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9
tcg/ppc64/tcg-target.c
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@ -461,6 +461,11 @@ static inline void tcg_out_shli64(TCGContext *s, TCGReg dst, TCGReg src, int c)
tcg_out_rld(s, RLDICR, dst, src, c, 63 - c);
}
static inline void tcg_out_shri64(TCGContext *s, TCGReg dst, TCGReg src, int c)
{
tcg_out_rld(s, RLDICL, dst, src, 64 - c, c);
}
static void tcg_out_movi32(TCGContext *s, TCGReg ret, int32_t arg)
{
if (arg == (int16_t) arg)
@ -864,7 +869,7 @@ static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
if (bswap) {
tcg_out32 (s, STWBRX | SAB (data_reg, rbase, r0));
tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
tcg_out_rld (s, RLDICL, 0, data_reg, 32, 0);
tcg_out_shri64(s, 0, data_reg, 32);
tcg_out32 (s, STWBRX | SAB (0, rbase, r1));
}
else tcg_out32 (s, STDX | SAB (data_reg, rbase, r0));
@ -1455,7 +1460,7 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc, const TCGArg *args,
break;
case INDEX_op_shr_i64:
if (const_args[2])
tcg_out_rld (s, RLDICL, args[0], args[1], 64 - args[2], args[2]);
tcg_out_shri64(s, args[0], args[1], args[2]);
else
tcg_out32 (s, SRD | SAB (args[1], args[0], args[2]));
break;