diff options
Diffstat (limited to 'tcg/ppc64/tcg-target.c')
| -rw-r--r-- | tcg/ppc64/tcg-target.c | 96 |
1 files changed, 95 insertions, 1 deletions
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c index 8152ccfcbe..4b846a21b5 100644 --- a/tcg/ppc64/tcg-target.c +++ b/tcg/ppc64/tcg-target.c @@ -796,6 +796,8 @@ static void tcg_out_cmp(TCGContext *s, int cond, TCGArg arg1, TCGArg arg2, int imm; uint32_t op; + tcg_debug_assert(TCG_TARGET_REG_BITS == 64 || type == TCG_TYPE_I32); + /* Simplify the comparisons below wrt CMPI. */ if (type == TCG_TYPE_I32) { arg2 = (int32_t)arg2; @@ -1083,6 +1085,83 @@ static void tcg_out_movcond(TCGContext *s, TCGType type, TCGCond cond, } } +static void tcg_out_cmp2(TCGContext *s, const TCGArg *args, + const int *const_args) +{ + static const struct { uint8_t bit1, bit2; } bits[] = { + [TCG_COND_LT ] = { CR_LT, CR_LT }, + [TCG_COND_LE ] = { CR_LT, CR_GT }, + [TCG_COND_GT ] = { CR_GT, CR_GT }, + [TCG_COND_GE ] = { CR_GT, CR_LT }, + [TCG_COND_LTU] = { CR_LT, CR_LT }, + [TCG_COND_LEU] = { CR_LT, CR_GT }, + [TCG_COND_GTU] = { CR_GT, CR_GT }, + [TCG_COND_GEU] = { CR_GT, CR_LT }, + }; + + TCGCond cond = args[4], cond2; + TCGArg al, ah, bl, bh; + int blconst, bhconst; + int op, bit1, bit2; + + al = args[0]; + ah = args[1]; + bl = args[2]; + bh = args[3]; + blconst = const_args[2]; + bhconst = const_args[3]; + + switch (cond) { + case TCG_COND_EQ: + op = CRAND; + goto do_equality; + case TCG_COND_NE: + op = CRNAND; + do_equality: + tcg_out_cmp(s, cond, al, bl, blconst, 6, TCG_TYPE_I32); + tcg_out_cmp(s, cond, ah, bh, bhconst, 7, TCG_TYPE_I32); + tcg_out32(s, op | BT(7, CR_EQ) | BA(6, CR_EQ) | BB(7, CR_EQ)); + break; + + case TCG_COND_LT: + case TCG_COND_LE: + case TCG_COND_GT: + case TCG_COND_GE: + case TCG_COND_LTU: + case TCG_COND_LEU: + case TCG_COND_GTU: + case TCG_COND_GEU: + bit1 = bits[cond].bit1; + bit2 = bits[cond].bit2; + op = (bit1 != bit2 ? CRANDC : CRAND); + cond2 = tcg_unsigned_cond(cond); + + tcg_out_cmp(s, cond, ah, bh, bhconst, 6, TCG_TYPE_I32); + tcg_out_cmp(s, cond2, al, bl, blconst, 7, TCG_TYPE_I32); + tcg_out32(s, op | BT(7, CR_EQ) | BA(6, CR_EQ) | BB(7, bit2)); + tcg_out32(s, CROR | BT(7, CR_EQ) | BA(6, bit1) | BB(7, CR_EQ)); + break; + + default: + tcg_abort(); + } +} + +static void tcg_out_setcond2(TCGContext *s, const TCGArg *args, + const int *const_args) +{ + tcg_out_cmp2(s, args + 1, const_args + 1); + tcg_out32(s, MFOCRF | RT(TCG_REG_R0) | FXM(7)); + tcg_out_rlw(s, RLWINM, args[0], TCG_REG_R0, 31, 31, 31); +} + +static void tcg_out_brcond2 (TCGContext *s, const TCGArg *args, + const int *const_args) +{ + tcg_out_cmp2(s, args, const_args); + tcg_out_bc(s, BC | BI(7, CR_EQ) | BO_COND_TRUE, args[5]); +} + void ppc_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr) { TCGContext s; @@ -1760,11 +1839,13 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, tcg_out_brcond(s, args[2], args[0], args[1], const_args[1], args[3], TCG_TYPE_I32); break; - case INDEX_op_brcond_i64: tcg_out_brcond(s, args[2], args[0], args[1], const_args[1], args[3], TCG_TYPE_I64); break; + case INDEX_op_brcond2_i32: + tcg_out_brcond2(s, args, const_args); + break; case INDEX_op_neg_i32: case INDEX_op_neg_i64: @@ -1886,6 +1967,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, tcg_out_setcond(s, TCG_TYPE_I64, args[3], args[0], args[1], args[2], const_args[2]); break; + case INDEX_op_setcond2_i32: + tcg_out_setcond2(s, args, const_args); + break; case INDEX_op_bswap16_i32: case INDEX_op_bswap16_i64: @@ -2036,6 +2120,9 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, } break; + case INDEX_op_muluh_i32: + tcg_out32(s, MULHWU | TAB(args[0], args[1], args[2])); + break; case INDEX_op_muluh_i64: tcg_out32(s, MULHDU | TAB(args[0], args[1], args[2])); break; @@ -2101,6 +2188,8 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_deposit_i32, { "r", "0", "rZ" } }, + { INDEX_op_muluh_i32, { "r", "r", "r" } }, + #if TCG_TARGET_REG_BITS == 64 { INDEX_op_ld8u_i64, { "r", "r" } }, { INDEX_op_ld8s_i64, { "r", "r" } }, @@ -2155,6 +2244,11 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_muluh_i64, { "r", "r", "r" } }, #endif +#if TCG_TARGET_REG_BITS == 32 + { INDEX_op_brcond2_i32, { "r", "r", "ri", "ri" } }, + { INDEX_op_setcond2_i32, { "r", "r", "r", "ri", "ri" } }, +#endif + #if TCG_TARGET_REG_BITS == 64 { INDEX_op_add2_i64, { "r", "r", "r", "r", "rI", "rZM" } }, { INDEX_op_sub2_i64, { "r", "r", "rI", "rZM", "r", "r" } }, |