diff options
| author | Gavin Koch <gavin@cygnus.com> | 1998-02-12 11:06:08 +0000 |
|---|---|---|
| committer | Gavin Romig-Koch <gavin@gcc.gnu.org> | 1998-02-12 11:06:08 +0000 |
| commit | 00bb4b6208ccd1dfbec9a6ac24a106bafb80ae04 (patch) | |
| tree | b0ce1394436b0dfeb84ae9cee2f2d76fc4ad2538 /gcc | |
| parent | 3871c609278860dacf2b324449a6d00e550d5121 (diff) | |
| download | gcc-00bb4b6208ccd1dfbec9a6ac24a106bafb80ae04.zip gcc-00bb4b6208ccd1dfbec9a6ac24a106bafb80ae04.tar.gz gcc-00bb4b6208ccd1dfbec9a6ac24a106bafb80ae04.tar.bz2 | |
mips.md (trucndihi2,truncdiqi2): Change these to support mips16.
* mips.md (trucndihi2,truncdiqi2): Change these to support
mips16.
From-SVN: r17868
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/mips/mips.md | 27 |
2 files changed, 25 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e4a07cb..e8fc0c87 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com> + + * mips.md (trucndihi2,truncdiqi2): Change these to support + mips16. + Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com> * mips/mips.c (movdi_operand): Direct referances to symbols diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index 76e0d43..2745797 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -3188,20 +3188,33 @@ move\\t%0,%z4\\n\\ (define_insn "truncdihi2" [(set (match_operand:HI 0 "register_operand" "=d") (truncate:HI (match_operand:DI 1 "se_register_operand" "d")))] - "TARGET_64BIT && !TARGET_MIPS16" - "andi\\t%0,%1,0xffff" + "TARGET_64BIT" + "* +{ + if (TARGET_MIPS16) + return \"dsll\\t%0,%1,48\;dsra\\t%0,48\"; + return \"andi\\t%0,%1,0xffff\"; +}" [(set_attr "type" "darith") (set_attr "mode" "HI") - (set_attr "length" "1")]) - + (set (attr "length") (if_then_else (eq (symbol_ref "mips16") (const_int 0)) + (const_int 1) + (const_int 4)))]) (define_insn "truncdiqi2" [(set (match_operand:QI 0 "register_operand" "=d") (truncate:QI (match_operand:DI 1 "se_register_operand" "d")))] - "TARGET_64BIT && !TARGET_MIPS16" - "andi\\t%0,%1,0x00ff" + "TARGET_64BIT" + "* +{ + if (TARGET_MIPS16) + return \"dsll\\t%0,%1,56\;dsra\\t%0,56\"; + return \"andi\\t%0,%1,0x00ff\"; +}" [(set_attr "type" "darith") (set_attr "mode" "QI") - (set_attr "length" "1")]) + (set (attr "length") (if_then_else (eq (symbol_ref "mips16") (const_int 0)) + (const_int 1) + (const_int 4)))]) ;; Combiner patterns to optimize shift/truncate combinations. (define_insn "" |