diff options
Diffstat (limited to 'tcg/ppc64/tcg-target.c')
| -rw-r--r-- | tcg/ppc64/tcg-target.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c index df62cda6f1..b3b38baf1f 100644 --- a/tcg/ppc64/tcg-target.c +++ b/tcg/ppc64/tcg-target.c @@ -1321,6 +1321,54 @@ static void tcg_out_brcond(TCGContext *s, TCGCond cond, tcg_out_bc(s, tcg_to_bc[cond], label_index); } +static void tcg_out_movcond(TCGContext *s, TCGType type, TCGCond cond, + TCGArg dest, TCGArg c1, TCGArg c2, TCGArg v1, + TCGArg v2, bool const_c2) +{ + /* If for some reason both inputs are zero, don't produce bad code. */ + if (v1 == 0 && v2 == 0) { + tcg_out_movi(s, type, dest, 0); + return; + } + + tcg_out_cmp(s, cond, c1, c2, const_c2, 7, type); + + if (HAVE_ISEL) { + int isel = tcg_to_isel[cond]; + + /* Swap the V operands if the operation indicates inversion. */ + if (isel & 1) { + int t = v1; + v1 = v2; + v2 = t; + isel &= ~1; + } + /* V1 == 0 is handled by isel; V2 == 0 must be handled by hand. */ + if (v2 == 0) { + tcg_out_movi(s, type, 0, 0); + } + tcg_out32(s, isel | TAB(dest, v1, v2)); + } else { + if (dest == v2) { + cond = tcg_invert_cond(cond); + v2 = v1; + } else if (dest != v1) { + if (v1 == 0) { + tcg_out_movi(s, type, dest, 0); + } else { + tcg_out_mov(s, type, dest, v1); + } + } + /* Branch forward over one insn */ + tcg_out32(s, tcg_to_bc[cond] | 8); + if (v2 == 0) { + tcg_out_movi(s, type, dest, 0); + } else { + tcg_out_mov(s, type, dest, v2); + } + } +} + void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long addr) { TCGContext s; @@ -1871,6 +1919,15 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc, const TCGArg *args, 64 - args[3] - args[4]); break; + case INDEX_op_movcond_i32: + tcg_out_movcond(s, TCG_TYPE_I32, args[5], args[0], args[1], args[2], + args[3], args[4], const_args[2]); + break; + case INDEX_op_movcond_i64: + tcg_out_movcond(s, TCG_TYPE_I64, args[5], args[0], args[1], args[2], + args[3], args[4], const_args[2]); + break; + default: tcg_dump_ops (s); tcg_abort (); @@ -1985,6 +2042,8 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_setcond_i32, { "r", "r", "ri" } }, { INDEX_op_setcond_i64, { "r", "r", "ri" } }, + { INDEX_op_movcond_i32, { "r", "r", "ri", "rZ", "rZ" } }, + { INDEX_op_movcond_i64, { "r", "r", "ri", "rZ", "rZ" } }, { INDEX_op_bswap16_i32, { "r", "r" } }, { INDEX_op_bswap16_i64, { "r", "r" } }, |