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| author | Joern Rennecke <joern.rennecke@embecosm.com> | 2012-11-28 13:28:57 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2012-11-28 13:28:57 +0000 |
| commit | be74e49e0db90b4e87fde8c20df95bbae97bedca (patch) | |
| tree | e488681d57627afbc35743e4c99b6553c5d52d45 | |
| parent | 9bc8692a422f6fee91af1c1097545ba293b9b47b (diff) | |
| download | gcc-be74e49e0db90b4e87fde8c20df95bbae97bedca.zip gcc-be74e49e0db90b4e87fde8c20df95bbae97bedca.tar.gz gcc-be74e49e0db90b4e87fde8c20df95bbae97bedca.tar.bz2 | |
epiphany.opt (-may-round-for-trunc): New option.
* config/epiphany/epiphany.opt (-may-round-for-trunc): New option.
* config/epiphany/epiphany.md (*fix_truncsfsi2_i): Take it into account.
From-SVN: r193891
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/config/epiphany/epiphany.md | 5 | ||||
| -rw-r--r-- | gcc/config/epiphany/epiphany.opt | 4 |
3 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1d4a0c9..5d503fd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -8,6 +8,9 @@ for misaligned memory operands. * config/epiphany/predicates.md (misaligned_operand): New predicate. + * config/epiphany/epiphany.opt (-may-round-for-trunc): New option. + * config/epiphany/epiphany.md (*fix_truncsfsi2_i): Take it into account. + 2012-11-28 Richard Biener <rguenther@suse.de> PR tree-optimization/54547 diff --git a/gcc/config/epiphany/epiphany.md b/gcc/config/epiphany/epiphany.md index f650870..d0cbcc4 100644 --- a/gcc/config/epiphany/epiphany.md +++ b/gcc/config/epiphany/epiphany.md @@ -908,7 +908,10 @@ "" "fix %0, %1" [(set_attr "type" "fp") - (set_attr "fp_mode" "round_trunc")]) + (set (attr "fp_mode") + (cond [(match_test "TARGET_MAY_ROUND_FOR_TRUNC") + (const_string "round_unknown")] + (const_string "round_trunc")))]) (define_expand "fixuns_truncsfsi2" [(set (match_operand:SI 0 "gpr_operand" "") diff --git a/gcc/config/epiphany/epiphany.opt b/gcc/config/epiphany/epiphany.opt index 3740182..613bb98 100644 --- a/gcc/config/epiphany/epiphany.opt +++ b/gcc/config/epiphany/epiphany.opt @@ -103,6 +103,10 @@ Enum(attr_fp_mode) String(truncate) Value(FP_MODE_ROUND_TRUNC) EnumValue Enum(attr_fp_mode) String(int) Value(FP_MODE_INT) +may-round-for-trunc +Target Mask(MAY_ROUND_FOR_TRUNC) +A floatig point to integer truncation may be replaced with rounding to save mode switching + mvect-double Target Mask(VECT_DOUBLE) Vectorize for double-word operations. |