diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.md | 27 |
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 751d6c1..c797248 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-02-18 David Edelsohn <edelsohn@gnu.org> + Roger Sayle <roger@eyesopen.com> + + * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter. + 2007-02-18 Sandra Loosemore <sandra@codesourcery.com> * calls.c (initialize_argument_information): Pass original EXP diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 21959a5..54202e4 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -2186,6 +2186,33 @@ DONE; }) +(define_insn "bswapsi2" + [(set (match_operand:SI 0 "reg_or_mem_operand" "=r,Z,&r") + (bswap:SI (match_operand:SI 1 "reg_or_mem_operand" "Z,r,r")))] + "" + "@ + {lbrx|lwbrx} %0,%y1 + {stbrx|stwbrx} %1,%y0 + #" + [(set_attr "length" "4,4,12")]) + +(define_split + [(set (match_operand:SI 0 "gpc_reg_operand" "") + (bswap:SI (match_operand:SI 1 "gpc_reg_operand" "")))] + "reload_completed" + [(set (match_dup 0) + (rotate:SI (match_dup 1) (const_int 8))) + (set (zero_extract:SI (match_dup 0) + (const_int 8) + (const_int 0)) + (match_dup 1)) + (set (zero_extract:SI (match_dup 0) + (const_int 8) + (const_int 16)) + (rotate:SI (match_dup 1) + (const_int 16)))] + "") + (define_expand "mulsi3" [(use (match_operand:SI 0 "gpc_reg_operand" "")) (use (match_operand:SI 1 "gpc_reg_operand" "")) |