diff options
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index 62a6bdb..14d8ad2 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -262,6 +262,11 @@ expand_widen_pattern_expr (sepops ops, rtx op0, rtx op1, rtx wide_op, bool sbool = false; oprnd0 = ops->op0; + if (nops >= 2) + oprnd1 = ops->op1; + if (nops >= 3) + oprnd2 = ops->op2; + tmode0 = TYPE_MODE (TREE_TYPE (oprnd0)); if (ops->code == VEC_UNPACK_FIX_TRUNC_HI_EXPR || ops->code == VEC_UNPACK_FIX_TRUNC_LO_EXPR) @@ -285,6 +290,27 @@ expand_widen_pattern_expr (sepops ops, rtx op0, rtx op1, rtx wide_op, ? vec_unpacks_sbool_hi_optab : vec_unpacks_sbool_lo_optab); sbool = true; } + else if (ops->code == DOT_PROD_EXPR) + { + enum optab_subtype subtype = optab_default; + signop sign1 = TYPE_SIGN (TREE_TYPE (oprnd0)); + signop sign2 = TYPE_SIGN (TREE_TYPE (oprnd1)); + if (sign1 == sign2) + ; + else if (sign1 == SIGNED && sign2 == UNSIGNED) + { + subtype = optab_vector_mixed_sign; + /* Same as optab_vector_mixed_sign but flip the operands. */ + std::swap (op0, op1); + } + else if (sign1 == UNSIGNED && sign2 == SIGNED) + subtype = optab_vector_mixed_sign; + else + gcc_unreachable (); + + widen_pattern_optab + = optab_for_tree_code (ops->code, TREE_TYPE (oprnd0), subtype); + } else widen_pattern_optab = optab_for_tree_code (ops->code, TREE_TYPE (oprnd0), optab_default); @@ -298,10 +324,7 @@ expand_widen_pattern_expr (sepops ops, rtx op0, rtx op1, rtx wide_op, gcc_assert (icode != CODE_FOR_nothing); if (nops >= 2) - { - oprnd1 = ops->op1; - tmode1 = TYPE_MODE (TREE_TYPE (oprnd1)); - } + tmode1 = TYPE_MODE (TREE_TYPE (oprnd1)); else if (sbool) { nops = 2; @@ -316,7 +339,6 @@ expand_widen_pattern_expr (sepops ops, rtx op0, rtx op1, rtx wide_op, { gcc_assert (tmode1 == tmode0); gcc_assert (op1); - oprnd2 = ops->op2; wmode = TYPE_MODE (TREE_TYPE (oprnd2)); } |