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| author | Jeffrey A Law <law@cygnus.com> | 1999-02-12 12:25:44 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-02-12 05:25:44 -0700 |
| commit | 01d5caad02c5c9b8dd14c7ca607d314aa8aca48f (patch) | |
| tree | fb86637a99ff15575763487e6fdb38dd0e9e4115 | |
| parent | a6207a2b7e0d334b7fdab31d7969256892577349 (diff) | |
| download | gcc-01d5caad02c5c9b8dd14c7ca607d314aa8aca48f.zip gcc-01d5caad02c5c9b8dd14c7ca607d314aa8aca48f.tar.gz gcc-01d5caad02c5c9b8dd14c7ca607d314aa8aca48f.tar.bz2 | |
h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle extending a CONST_INT.
Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
* h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
extending a CONST_INT.
* h8300.md (peephole for combining memrefs): Delete incorrect peephole.
From-SVN: r25168
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.md | 36 |
2 files changed, 13 insertions, 30 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1510fd1..2a8e938 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com) + + * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle + extending a CONST_INT. + + * h8300.md (peephole for combining memrefs): Delete incorrect peephole. + Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset): diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index a94a5ad..d892cad 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -1687,15 +1687,17 @@ "TARGET_H8300" "") +;; %e prints the high part of a CONST_INT, not the low part. Arggh. (define_insn "" - [(set (match_operand:SI 0 "register_operand" "=r,r") - (zero_extend:SI (match_operand:HI 1 "general_operand_src" "0,g>")))] + [(set (match_operand:SI 0 "register_operand" "=r,r,r") + (zero_extend:SI (match_operand:HI 1 "general_operand_src" "0,i,g>")))] "TARGET_H8300" "@ sub.w %e0,%e0 + mov.w %f1,%f0\;sub.w %e0,%e0 mov.w %e1,%f0\;sub.w %e0,%e0" - [(set_attr "length" "2,4") - (set_attr "cc" "clobber,clobber")]) + [(set_attr "length" "2,4,4") + (set_attr "cc" "clobber,clobber,clobber")]) (define_insn "" [(set (match_operand:SI 0 "register_operand" "=r,r") @@ -2245,32 +2247,6 @@ ;; Peepholes go at the end. ;; ---------------------------------------------- -;; Notice when two byte moves in a row could be a word move. - -(define_peephole - [(set (match_operand:QI 0 "register_operand" "=r") - (mem:QI (plus:HI (match_operand:HI 1 "register_operand" "r") - (match_operand:HI 2 "immediate_operand" "n")))) - (set (match_operand:QI 3 "register_operand" "=r") - (mem:QI (plus:HI (match_dup 1) - (match_operand:HI 4 "immediate_operand" "n"))))] - "(INTVAL(operands[2]) == INTVAL(operands[4])+1) && REGNO(operands[0]) +1 == REGNO(operands[3])" - "mov.w @(%u4,%T1),%T0" - [(set_attr "length" "6") - (set_attr "cc" "set_znv")]) - -(define_peephole - [(set (mem:QI (plus:HI (match_operand:HI 1 "register_operand" "r") - (match_operand:HI 2 "immediate_operand" "n"))) - (match_operand:QI 0 "register_operand" "r")) - (set (mem:QI (plus:HI (match_dup 1) - (match_operand:HI 4 "immediate_operand" "n"))) - (match_operand:QI 3 "register_operand" "r"))] - "(INTVAL(operands[2]) == INTVAL(operands[4])+1) && REGNO(operands[0]) +1 == REGNO(operands[3])" - "mov.w %T0,@(%u4,%T1)" - [(set_attr "length" "6") - (set_attr "cc" "set_znv")]) - ;; Notice a move which could be post incremented. (define_peephole |