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| author | John Wehle <john@feith.com> | 1998-05-15 20:41:47 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-05-15 14:41:47 -0600 |
| commit | d2f2cb195c121b8018aafd2285e6ea123a9de1af (patch) | |
| tree | d6e60de49256939a1a7c50dedcf92c64afd23757 | |
| parent | 51bcf66114982e2322781d49d45494e26074028e (diff) | |
| download | gcc-d2f2cb195c121b8018aafd2285e6ea123a9de1af.zip gcc-d2f2cb195c121b8018aafd2285e6ea123a9de1af.tar.gz gcc-d2f2cb195c121b8018aafd2285e6ea123a9de1af.tar.bz2 | |
* i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
From-SVN: r19786
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 50 |
2 files changed, 31 insertions, 23 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f406625..c281bdd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Fri May 15 21:40:06 1998 John Wehle (john@feith.com) + + * i386.md (movdi-1, movdi): Rewrite based on SI move patterns. + Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com> * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros. diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 8baeddc..7068709 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1633,36 +1633,40 @@ }") (define_insn "" - [(set (match_operand:DI 0 "push_operand" "=<,<,<,<") - (match_operand:DI 1 "general_operand" "riF,o,o,o")) - (clobber (match_scratch:SI 2 "=X,&r,&r,X")) - (clobber (match_scratch:SI 3 "=X,&r,X,X"))] + [(set (match_operand:DI 0 "push_operand" "=<") + (match_operand:DI 1 "general_operand" "riF"))] "" - "* -{ - if (GET_CODE (operands[1]) != MEM) - return output_move_double (operands); + "* return output_move_double (operands);") - else - return output_move_pushmem (operands, insn, GET_MODE_SIZE (DImode), 2, 4); -}") +(define_insn "" + [(set (match_operand:DI 0 "push_operand" "=<") + (match_operand:DI 1 "memory_operand" "o"))] + "TARGET_PUSH_MEMORY" + "* return output_move_pushmem (operands, insn, GET_MODE_SIZE (DImode),0,0);") -(define_insn "movdi" - [(set (match_operand:DI 0 "general_operand" "=o,o,r,rm") - (match_operand:DI 1 "general_operand" "o,o,m,riF")) - (clobber (match_scratch:SI 2 "=&r,&r,X,X")) - (clobber (match_scratch:SI 3 "=&r,X,X,X"))] +(define_expand "movdi" + [(set (match_operand:DI 0 "general_operand" "") + (match_operand:DI 1 "general_operand" ""))] "" - "* + " { - rtx low[2], high[2], xop[6]; - - if (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM) - return output_move_double (operands); - else - return output_move_memory (operands, insn, GET_MODE_SIZE (DImode), 2, 4); + /* Don't generate memory->memory moves, go through a register */ + if (TARGET_MOVE + && (reload_in_progress | reload_completed) == 0 + && GET_CODE (operands[0]) == MEM + && GET_CODE (operands[1]) == MEM) + { + operands[1] = force_reg (DImode, operands[1]); + } }") +(define_insn "" + [(set (match_operand:DI 0 "general_operand" "=g,r") + (match_operand:DI 1 "general_operand" "riF,m"))] + "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) + || (GET_CODE (operands[1]) != MEM)" + "* return output_move_double (operands);") + ;;- conversion instructions ;;- NONE |