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authorRichard Osborne <richard@xmos.com>2013-01-20 18:37:49 +0000
committerRichard Osborne <richard@xmos.com>2013-01-20 18:37:49 +0000
commitc78ec6b6bc05572aed6af1eee4349d76a68ded18 (patch)
tree5f86c1d07deee961a23ff87593636a8fd6e1d264 /lib/Target/XCore/XCoreInstrInfo.td
parenta68c64fbb2f1bee7f9313f3ee19c35677563f974 (diff)
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external_llvm-c78ec6b6bc05572aed6af1eee4349d76a68ded18.tar.gz
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Add instruction encodings / disassembly support for l3r instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172986 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/XCore/XCoreInstrInfo.td')
-rw-r--r--lib/Target/XCore/XCoreInstrInfo.td101
1 files changed, 54 insertions, 47 deletions
diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td
index d66279c..cb4dc65 100644
--- a/lib/Target/XCore/XCoreInstrInfo.td
+++ b/lib/Target/XCore/XCoreInstrInfo.td
@@ -237,11 +237,10 @@ class F3R_np<bits<5> opc, string OpcStr> :
// Three operand long
/// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
-multiclass FL3R_L2RUS<string OpcStr, SDNode OpNode> {
- def _l3r: _FL3R<
- (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
- !strconcat(OpcStr, " $dst, $b, $c"),
- [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
+multiclass FL3R_L2RUS<bits<9> opc, string OpcStr, SDNode OpNode> {
+ def _l3r: _FL3R<opc, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
+ !strconcat(OpcStr, " $dst, $b, $c"),
+ [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
def _l2rus : _FL2RUS<
(outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
!strconcat(OpcStr, " $dst, $b, $c"),
@@ -249,21 +248,20 @@ multiclass FL3R_L2RUS<string OpcStr, SDNode OpNode> {
}
/// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
-multiclass FL3R_L2RBITP<string OpcStr, SDNode OpNode> {
- def _l3r: _FL3R<
- (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
- !strconcat(OpcStr, " $dst, $b, $c"),
- [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
+multiclass FL3R_L2RBITP<bits<9> opc, string OpcStr, SDNode OpNode> {
+ def _l3r: _FL3R<opc, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
+ !strconcat(OpcStr, " $dst, $b, $c"),
+ [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
def _l2rus : _FL2RUS<
(outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
!strconcat(OpcStr, " $dst, $b, $c"),
[(set GRRegs:$dst, (OpNode GRRegs:$b, immBitp:$c))]>;
}
-class FL3R<string OpcStr, SDNode OpNode> : _FL3R<
- (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
- !strconcat(OpcStr, " $dst, $b, $c"),
- [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
+class FL3R<bits<9> opc, string OpcStr, SDNode OpNode> :
+ _FL3R<opc, (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
+ !strconcat(OpcStr, " $dst, $b, $c"),
+ [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
// Register - U6
// Operand register - U6
@@ -411,8 +409,9 @@ def LD8U_3r : _F3R<0b10001, (outs GRRegs:$dst),
}
let mayStore=1 in {
-def STW_3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
- "stw $val, $addr[$offset]", []>;
+def STW_3r : _FL3R<0b000001100, (outs),
+ (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
+ "stw $val, $addr[$offset]", []>;
def STW_2rus : _F2RUS<0b0000, (outs),
(ins GRRegs:$val, GRRegs:$addr, i32imm:$offset),
@@ -424,9 +423,11 @@ defm SHR : F3R_2RBITP<0b00101, 0b10101, "shr", srl>;
// TODO tsetr
// Three operand long
-def LDAWF_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
- "ldaw $dst, $addr[$offset]",
- [(set GRRegs:$dst, (ldawf GRRegs:$addr, GRRegs:$offset))]>;
+def LDAWF_l3r : _FL3R<0b000111100, (outs GRRegs:$dst),
+ (ins GRRegs:$addr, GRRegs:$offset),
+ "ldaw $dst, $addr[$offset]",
+ [(set GRRegs:$dst,
+ (ldawf GRRegs:$addr, GRRegs:$offset))]>;
let neverHasSideEffects = 1 in
def LDAWF_l2rus : _FL2RUS<(outs GRRegs:$dst),
@@ -434,9 +435,11 @@ def LDAWF_l2rus : _FL2RUS<(outs GRRegs:$dst),
"ldaw $dst, $addr[$offset]",
[]>;
-def LDAWB_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
- "ldaw $dst, $addr[-$offset]",
- [(set GRRegs:$dst, (ldawb GRRegs:$addr, GRRegs:$offset))]>;
+def LDAWB_l3r : _FL3R<0b001001100, (outs GRRegs:$dst),
+ (ins GRRegs:$addr, GRRegs:$offset),
+ "ldaw $dst, $addr[-$offset]",
+ [(set GRRegs:$dst,
+ (ldawb GRRegs:$addr, GRRegs:$offset))]>;
let neverHasSideEffects = 1 in
def LDAWB_l2rus : _FL2RUS<(outs GRRegs:$dst),
@@ -444,42 +447,46 @@ def LDAWB_l2rus : _FL2RUS<(outs GRRegs:$dst),
"ldaw $dst, $addr[-$offset]",
[]>;
-def LDA16F_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
- "lda16 $dst, $addr[$offset]",
- [(set GRRegs:$dst, (lda16f GRRegs:$addr, GRRegs:$offset))]>;
+def LDA16F_l3r : _FL3R<0b001011100, (outs GRRegs:$dst),
+ (ins GRRegs:$addr, GRRegs:$offset),
+ "lda16 $dst, $addr[$offset]",
+ [(set GRRegs:$dst,
+ (lda16f GRRegs:$addr, GRRegs:$offset))]>;
-def LDA16B_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
- "lda16 $dst, $addr[-$offset]",
- [(set GRRegs:$dst, (lda16b GRRegs:$addr, GRRegs:$offset))]>;
+def LDA16B_l3r : _FL3R<0b001101100, (outs GRRegs:$dst),
+ (ins GRRegs:$addr, GRRegs:$offset),
+ "lda16 $dst, $addr[-$offset]",
+ [(set GRRegs:$dst,
+ (lda16b GRRegs:$addr, GRRegs:$offset))]>;
-def MUL_l3r : FL3R<"mul", mul>;
+def MUL_l3r : FL3R<0b001111100, "mul", mul>;
// Instructions which may trap are marked as side effecting.
let hasSideEffects = 1 in {
-def DIVS_l3r : FL3R<"divs", sdiv>;
-def DIVU_l3r : FL3R<"divu", udiv>;
-def REMS_l3r : FL3R<"rems", srem>;
-def REMU_l3r : FL3R<"remu", urem>;
+def DIVS_l3r : FL3R<0b010001100, "divs", sdiv>;
+def DIVU_l3r : FL3R<0b010011100, "divu", udiv>;
+def REMS_l3r : FL3R<0b110001100, "rems", srem>;
+def REMU_l3r : FL3R<0b110011100, "remu", urem>;
}
-def XOR_l3r : FL3R<"xor", xor>;
-defm ASHR : FL3R_L2RBITP<"ashr", sra>;
+def XOR_l3r : FL3R<0b000011100, "xor", xor>;
+defm ASHR : FL3R_L2RBITP<0b000101100, "ashr", sra>;
let Constraints = "$src1 = $dst" in
-def CRC_l3r : _FL3R<(outs GRRegs:$dst),
- (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
- "crc32 $dst, $src2, $src3",
- [(set GRRegs:$dst,
- (int_xcore_crc32 GRRegs:$src1, GRRegs:$src2,
- GRRegs:$src3))]>;
+def CRC_l3r : _FL3RSrcDst<0b101011100, (outs GRRegs:$dst),
+ (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
+ "crc32 $dst, $src2, $src3",
+ [(set GRRegs:$dst,
+ (int_xcore_crc32 GRRegs:$src1, GRRegs:$src2,
+ GRRegs:$src3))]>;
// TODO inpw, outpw
let mayStore=1 in {
-def ST16_l3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
- "st16 $val, $addr[$offset]",
- []>;
+def ST16_l3r : _FL3R<0b100001100, (outs),
+ (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
+ "st16 $val, $addr[$offset]", []>;
-def ST8_l3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
- "st8 $val, $addr[$offset]",
- []>;
+def ST8_l3r : _FL3R<0b100011100, (outs),
+ (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
+ "st8 $val, $addr[$offset]", []>;
}
// Four operand long