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| author | Daniel Cederman <cederman@gaisler.com> | 2017-07-16 10:43:15 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-07-16 10:43:15 +0000 |
| commit | 1dcf988e44886833678a144ac97033e4a20ddd31 (patch) | |
| tree | 11772754cea52e8ab93285b321a27203516cd07b /gcc | |
| parent | c5c1ad9a9ba049b0518489091358b4a1702b4b70 (diff) | |
| download | gcc-1dcf988e44886833678a144ac97033e4a20ddd31.zip gcc-1dcf988e44886833678a144ac97033e4a20ddd31.tar.gz gcc-1dcf988e44886833678a144ac97033e4a20ddd31.tar.bz2 | |
sparc.md (divdf3_fix): Add NOP to prevent back to back store errata sensitive sequence from being...
* config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
to back store errata sensitive sequence from being generated.
(sqrtdf2_fix): Likewise.
From-SVN: r250234
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.md | 8 |
2 files changed, 10 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9470e63..c6b933d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-07-16 Daniel Cederman <cederman@gaisler.com> + + * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back + to back store errata sensitive sequence from being generated. + (sqrtdf2_fix): Likewise. + 2017-07-07 Jan Hubicka <hubicka@ucw.cz> * tree-ssa-threadupdate.c (compute_path_counts, diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md index afdc7d1..b154003 100644 --- a/gcc/config/sparc/sparc.md +++ b/gcc/config/sparc/sparc.md @@ -6171,10 +6171,10 @@ visl") (div:DF (match_operand:DF 1 "register_operand" "e") (match_operand:DF 2 "register_operand" "e")))] "TARGET_FPU && sparc_fix_ut699" - "fdivd\t%1, %2, %0\n\tstd\t%0, [%%sp-8]" + "fdivd\t%1, %2, %0\n\tstd\t%0, [%%sp-8]\n\tnop" [(set_attr "type" "fpdivd") (set_attr "fptype" "double") - (set_attr "length" "2")]) + (set_attr "length" "3")]) (define_insn "divsf3" [(set (match_operand:SF 0 "register_operand" "=f") @@ -6423,10 +6423,10 @@ visl") [(set (match_operand:DF 0 "register_operand" "=e") (sqrt:DF (match_operand:DF 1 "register_operand" "e")))] "TARGET_FPU && sparc_fix_ut699" - "fsqrtd\t%1, %0\n\tstd\t%0, [%%sp-8]" + "fsqrtd\t%1, %0\n\tstd\t%0, [%%sp-8]\n\tnop" [(set_attr "type" "fpsqrtd") (set_attr "fptype" "double") - (set_attr "length" "2")]) + (set_attr "length" "3")]) (define_insn "sqrtsf2" [(set (match_operand:SF 0 "register_operand" "=f") |