diff options
Diffstat (limited to 'gcc/config/arm/arm.md')
| -rw-r--r-- | gcc/config/arm/arm.md | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 16095fabdf4..dd733668168 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -4718,6 +4718,24 @@ "TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE" "") +(define_insn_and_split "*zextendsidi_negsi" + [(set (match_operand:DI 0 "s_register_operand" "=r") + (zero_extend:DI (neg:SI (match_operand:SI 1 "s_register_operand" "r"))))] + "TARGET_32BIT" + "#" + "" + [(set (match_dup 2) + (neg:SI (match_dup 1))) + (set (match_dup 3) + (const_int 0))] + { + operands[2] = gen_lowpart (SImode, operands[0]); + operands[3] = gen_highpart (SImode, operands[0]); + } + [(set_attr "length" "8") + (set_attr "type" "multiple")] +) + ;; Negate an extended 32-bit value. (define_insn_and_split "*negdi_extendsidi" [(set (match_operand:DI 0 "s_register_operand" "=l,r") |