diff options
| author | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-07-21 11:05:04 +0000 |
|---|---|---|
| committer | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-07-21 11:05:04 +0000 |
| commit | 5c8affdcd1df8abb4e04793f620df13bfa3bc4bf (patch) | |
| tree | 45658fb05b44ae2d9ddf0eaed39c4ab15e524137 /gcc/config/mips/mips.md | |
| parent | 9b58b4c71cd42e75e2c9fea2fde3bd0181037dce (diff) | |
| download | gcc-5c8affdcd1df8abb4e04793f620df13bfa3bc4bf.tar.gz | |
2012-07-21 Andrew Pinski <apinski@cavium.com>
* config/mips/mips.md (*popcountdi2_trunc): New pattern
to handle popcount of a truncation.
2012-07-21 Andrew Pinski <apinski@cavium.com>
* gcc.target/mips/octeon-pop-2.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@189744 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/mips/mips.md')
| -rw-r--r-- | gcc/config/mips/mips.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md index 0edc9d94986..af741ba2b82 100644 --- a/gcc/config/mips/mips.md +++ b/gcc/config/mips/mips.md @@ -2643,6 +2643,16 @@ "<d>pop\t%0,%1" [(set_attr "type" "pop") (set_attr "mode" "<MODE>")]) + +;; The POP instruction is special as it does not take into account the upper +;; 32bits and is documented that way. +(define_insn "*popcountdi2_trunc" + [(set (match_operand:SI 0 "register_operand" "=d") + (popcount:SI (truncate:SI (match_operand:DI 1 "register_operand" "d"))))] + "ISA_HAS_POP && TARGET_64BIT" + "pop\t%0,%1" + [(set_attr "type" "pop") + (set_attr "mode" "SI")]) ;; ;; .................... |