diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.md | 19 |
2 files changed, 12 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0fd2fd3..890fafa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-03-03 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300.md (*extzv_8_8): Use '?' to simplify the + pattern. + 2003-03-03 Geoffrey Keating <geoffk@apple.com> * doc/install.texi (Specific): Update entry for powerpc-darwin. diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index 4da60c5..1286fd9 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -2625,21 +2625,16 @@ ;; extzv:SI (define_insn "*extzv_8_8" - [(set (match_operand:SI 0 "register_operand" "=r") - (zero_extract:SI (match_operand:SI 1 "register_operand" "r") + [(set (match_operand:SI 0 "register_operand" "=r,r") + (zero_extract:SI (match_operand:SI 1 "register_operand" "?0,r") (const_int 8) (const_int 8)))] "TARGET_H8300H || TARGET_H8300S" - "* -{ - if (REG_P (operands[0]) && REG_P (operands[1]) - && REGNO (operands[0]) != REGNO (operands[1])) - return \"sub.l\\t%S0,%S0\;mov.b\\t%x1,%w0\"; - else - return \"mov.b\\t%x1,%w0\;extu.w\\t%f0\;extu.l\\t%S0\"; -}" - [(set_attr "cc" "set_znv") - (set_attr "length" "6")]) + "@ + mov.b\\t%x1,%w0\;extu.w\\t%f0\;extu.l\\t%S0 + sub.l\\t%S0,%S0\;mov.b\\t%x1,%w0" + [(set_attr "cc" "clobber,set_znv") + (set_attr "length" "4,6")]) (define_insn "*extzv_8_16" [(set (match_operand:SI 0 "register_operand" "=r") |