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[Hexagon] Adding saturate and swizzle instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224343 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Colin LeMahieu 2014-12-16 16:27:17 +00:00
parent 43906dedbf
commit d69e4e2945
2 changed files with 36 additions and 0 deletions
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22
lib/Target/Hexagon/HexagonInstrInfo.td
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@ -2710,6 +2710,14 @@ class T_S2op_1 <string mnemonic, bits<4> RegTyBits, RegisterClass RCOut,
class T_S2op_1_di <string mnemonic, bits<2> MajOp, bits<3> MinOp>
: T_S2op_1 <mnemonic, 0b0100, DoubleRegs, IntRegs, MajOp, MinOp, 0>;
let hasNewValue = 1 in
class T_S2op_1_id <string mnemonic, bits<2> MajOp, bits<3> MinOp, bit isSat = 0>
: T_S2op_1 <mnemonic, 0b1000, IntRegs, DoubleRegs, MajOp, MinOp, isSat>;
let hasNewValue = 1 in
class T_S2op_1_ii <string mnemonic, bits<2> MajOp, bits<3> MinOp, bit isSat = 0>
: T_S2op_1 <mnemonic, 0b1100, IntRegs, IntRegs, MajOp, MinOp, isSat>;
// Sign extend word to doubleword
let isCodeGenOnly = 0 in
def A2_sxtw : T_S2op_1_di <"sxtw", 0b01, 0b000>;
@ -2720,6 +2728,20 @@ def: Pat <(i64 (sext I32:$src)), (A2_sxtw I32:$src)>;
// STYPE/ALU -
//===----------------------------------------------------------------------===//
// Swizzle the bytes of a word
let isCodeGenOnly = 0 in
def A2_swiz : T_S2op_1_ii <"swiz", 0b10, 0b111>;
// Saturate
let Defs = [USR_OVF], isCodeGenOnly = 0 in {
def A2_sat : T_S2op_1_id <"sat", 0b11, 0b000>;
def A2_satb : T_S2op_1_ii <"satb", 0b11, 0b111>;
def A2_satub : T_S2op_1_ii <"satub", 0b11, 0b110>;
def A2_sath : T_S2op_1_ii <"sath", 0b11, 0b100>;
def A2_satuh : T_S2op_1_ii <"satuh", 0b11, 0b101>;
}
//===----------------------------------------------------------------------===//
// STYPE/BIT +
//===----------------------------------------------------------------------===//

14
test/MC/Disassembler/Hexagon/xtype_perm.txt Normal file
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@ -0,0 +1,14 @@
# RUN: llvm-mc --triple hexagon -disassemble < %s | FileCheck %s
0x11 0xc0 0xd4 0x88
# CHECK: r17 = sat(r21:20)
0x91 0xc0 0xd5 0x8c
# CHECK: r17 = sath(r21)
0xb1 0xc0 0xd5 0x8c
# CHECK: r17 = satuh(r21)
0xd1 0xc0 0xd5 0x8c
# CHECK: r17 = satub(r21)
0xf1 0xc0 0xd5 0x8c
# CHECK: r17 = satb(r21)
0xf1 0xc0 0x95 0x8c
# CHECK: r17 = swiz(r21)