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| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-19 13:34:59 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-01-19 13:34:59 +0000 |
| commit | afc78fc626220619b70051030a1096945ad93e73 (patch) | |
| tree | 2d282a29fb31bb7a9465bb7f14d848ea31f9af9c /gcc/config/m68k/m68k.md | |
| parent | 9b84b1a02fcbc02d79ae96d975f49e0a47f62ff7 (diff) | |
| download | gcc-afc78fc626220619b70051030a1096945ad93e73.tar.gz | |
gcc/
200x-xx-xx Sandra Loosemore <sandra@codesourcery.com>
* longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
ColdFire alternatives.
* config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
* config/m68k/m68k.md (clzsi2): Define for ColdFire
architectures that support ff1 instruction.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120959 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/m68k/m68k.md')
| -rw-r--r-- | gcc/config/m68k/m68k.md | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md index c953ec2d434..b3e72e78a40 100644 --- a/gcc/config/m68k/m68k.md +++ b/gcc/config/m68k/m68k.md @@ -3961,6 +3961,15 @@ return "f<FP:prec>abs%.<FP:prec> %1,%0"; }) +;; bit indexing instructions + +;; ColdFire ff1 instruction implements clz. +(define_insn "clzsi2" + [(set (match_operand:SI 0 "register_operand" "=d") + (clz:SI (match_operand:SI 1 "register_operand" "0")))] + "TARGET_ISAAPLUS || TARGET_ISAC" + "ff1 %0") + ;; one complement instructions ;; "one_cmpldi2" is mainly here to help combine(). |