diff options
| author | pbrook <pbrook@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-07-14 22:16:51 +0000 |
|---|---|---|
| committer | pbrook <pbrook@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-07-14 22:16:51 +0000 |
| commit | 429ce9c353f1b1d8eeeee2bb57a0c9e6628c42a9 (patch) | |
| tree | 3648391832993d6e09c88bc9087e89054f03b5ad | |
| parent | b2518f6c6d1ae32b844fd8aea548f97a967752e3 (diff) | |
2006-07-14 Paul Brook <paul@codesourcery.com>
gcc/
* config/arm/thumb2.mb (thumb2_cbz, thumb2_cbnz): New insns.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/csl/sourcerygxx-4_1@115455 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | ChangeLog.csl | 5 | ||||
| -rw-r--r-- | gcc/config/arm/thumb2.md | 44 |
2 files changed, 49 insertions, 0 deletions
diff --git a/ChangeLog.csl b/ChangeLog.csl index fd5ba735e02..5576c9dbcfa 100644 --- a/ChangeLog.csl +++ b/ChangeLog.csl @@ -1,3 +1,8 @@ +2006-07-14 Paul Brook <paul@codesourcery.com> + + gcc/ + * config/arm/thumb2.mb (thumb2_cbz, thumb2_cbnz): New insns. + 2006-07-14 Mark Shinwell <shinwell@codesourcery.com> gcc/ diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md index 873cad1a8f0..2e201f55554 100644 --- a/gcc/config/arm/thumb2.md +++ b/gcc/config/arm/thumb2.md @@ -1141,3 +1141,47 @@ "udiv%?\t%0, %1, %2" [(set_attr "predicable" "yes")] ) + +(define_insn "*thumb2_cbz" + [(set (pc) (if_then_else + (eq (match_operand:SI 0 "s_register_operand" "l,?r") + (const_int 0)) + (label_ref (match_operand 1 "" "")) + (pc))) + (clobber (reg:CC CC_REGNUM))] + "TARGET_THUMB2" + "* + if (get_attr_length (insn) == 2 && which_alternative == 0) + return \"cbz\\t%0, %l1\"; + else + return \"cmp\\t%0, #0\;beq\\t%l1\"; + " + [(set (attr "length") + (if_then_else + (and (ge (minus (match_dup 1) (pc)) (const_int 2)) + (le (minus (match_dup 1) (pc)) (const_int 128))) + (const_int 2) + (const_int 8)))] +) + +(define_insn "*thumb2_cbnz" + [(set (pc) (if_then_else + (ne (match_operand:SI 0 "s_register_operand" "l,?r") + (const_int 0)) + (label_ref (match_operand 1 "" "")) + (pc))) + (clobber (reg:CC CC_REGNUM))] + "TARGET_THUMB2" + "* + if (get_attr_length (insn) == 2 && which_alternative == 0) + return \"cbnz\\t%0, %l1\"; + else + return \"cmp\\t%0, #0\;bne\\t%l1\"; + " + [(set (attr "length") + (if_then_else + (and (ge (minus (match_dup 1) (pc)) (const_int 2)) + (le (minus (match_dup 1) (pc)) (const_int 128))) + (const_int 2) + (const_int 8)))] +) |