From: Richard Biener Date: Wed, 29 Jun 2016 07:17:57 +0000 (+0000) Subject: match.pd ((T)(T2)x -> (T)x): Remove restriction on final precision not matching mode... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=36088299955f95ab58a5758cba2f29b84c8fbfbc;p=gcc.git match.pd ((T)(T2)x -> (T)x): Remove restriction on final precision not matching mode precision. 2016-07-29 Richard Biener * match.pd ((T)(T2)x -> (T)x): Remove restriction on final precision not matching mode precision. From-SVN: r237838 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e37b77c5732..109ff1c8bd2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-07-29 Richard Biener + + * match.pd ((T)(T2)x -> (T)x): Remove restriction on final + precision not matching mode precision. + 2016-06-28 John David Anglin * config/pa/pa.md (call_symref_64bit_post_reload): Don't call diff --git a/gcc/match.pd b/gcc/match.pd index 980b73b9a19..b24bfb47de0 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -1652,14 +1652,11 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) float or both integer, we don't need the middle conversion if the former is wider than the latter and doesn't change the signedness (for integers). Avoid this if the final type is a pointer since - then we sometimes need the middle conversion. Likewise if the - final type has a precision not equal to the size of its mode. */ + then we sometimes need the middle conversion. */ (if (((inter_int && inside_int) || (inter_float && inside_float)) && (final_int || final_float) && inter_prec >= inside_prec - && (inter_float || inter_unsignedp == inside_unsignedp) - && ! (final_prec != GET_MODE_PRECISION (TYPE_MODE (type)) - && TYPE_MODE (type) == TYPE_MODE (inter_type))) + && (inter_float || inter_unsignedp == inside_unsignedp)) (ocvt @0)) /* If we have a sign-extension of a zero-extended value, we can @@ -1692,9 +1689,7 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) && ((inter_unsignedp && inter_prec > inside_prec) == (final_unsignedp && final_prec > inter_prec)) && ! (inside_ptr && inter_prec != final_prec) - && ! (final_ptr && inside_prec != inter_prec) - && ! (final_prec != GET_MODE_PRECISION (TYPE_MODE (type)) - && TYPE_MODE (type) == TYPE_MODE (inter_type))) + && ! (final_ptr && inside_prec != inter_prec)) (ocvt @0)) /* A truncation to an unsigned type (a zero-extension) should be