[mips] Add instruction alias (dsll and dsrl).
Summary:
The pattern dsll/dsrl $rd, $rt, $rs is found in handwritten assembly which
is just a shorthand version of dsllv/dsrlv $rd, $rt, $rs.
Reviewers: dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D3486
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207664 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index 7f895e2..1303028 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -440,6 +440,8 @@
def : InstAlias<"addu $rs, $imm",
(ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm),
0>;
+def : InstAlias<"dsll $rd, $rt, $rs",
+ (DSLLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>;
def : InstAlias<"dsubu $rt, $rs, $imm",
(DADDiu GPR64Opnd:$rt, GPR64Opnd:$rs,
InvertedImOperand64: $imm),0>;
@@ -449,6 +451,8 @@
def : InstAlias<"dsubu $rs, $imm",
(DADDiu GPR64Opnd:$rs, GPR64Opnd:$rs, InvertedImOperand64:$imm),
0>;
+def : InstAlias<"dsrl $rd, $rt, $rs",
+ (DSRLV GPR64Opnd:$rd, GPR64Opnd:$rt, GPR32Opnd:$rs), 0>;
/// Move between CPU and coprocessor registers
let DecoderNamespace = "Mips64", Predicates = [HasMips64] in {
diff --git a/test/MC/Mips/mips3/valid.s b/test/MC/Mips/mips3/valid.s
index 03dd05b..ea4234e 100644
--- a/test/MC/Mips/mips3/valid.s
+++ b/test/MC/Mips/mips3/valid.s
@@ -47,6 +47,7 @@
dmultu $a1,$a2
dsll $zero,18 # CHECK: dsll $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xb8]
dsll $zero,$s4,18 # CHECK: dsll $zero, $20, 18 # encoding: [0x00,0x14,0x04,0xb8]
+ dsll $zero,$s4,$t4 # CHECK: dsllv $zero, $20, $12 # encoding: [0x01,0x94,0x00,0x14]
dsll32 $zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsll32 $zero,$zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsllv $zero,$t4 # CHECK: dsllv $zero, $zero, $12 # encoding: [0x01,0x80,0x00,0x14]
@@ -59,6 +60,7 @@
dsrav $gp,$s2,$s3 # CHECK: dsrav $gp, $18, $19 # encoding: [0x02,0x72,0xe0,0x17]
dsrl $s3,23 # CHECK: dsrl $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfa]
dsrl $s3,$6,23 # CHECK: dsrl $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfa]
+ dsrl $s3,$6,$s4 # CHECK: dsrlv $19, $6, $20 # encoding: [0x02,0x86,0x98,0x16]
dsrl32 $s3,23 # CHECK: dsrl32 $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfe]
dsrl32 $s3,$6,23 # CHECK: dsrl32 $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfe]
dsrlv $s3,$s4 # CHECK: dsrlv $19, $19, $20 # encoding: [0x02,0x93,0x98,0x16]
diff --git a/test/MC/Mips/mips4/valid.s b/test/MC/Mips/mips4/valid.s
index 727367d..27c487f 100644
--- a/test/MC/Mips/mips4/valid.s
+++ b/test/MC/Mips/mips4/valid.s
@@ -46,6 +46,7 @@
dmultu $a1,$a2
dsll $zero,18 # CHECK: dsll $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xb8]
dsll $zero,$s4,18 # CHECK: dsll $zero, $20, 18 # encoding: [0x00,0x14,0x04,0xb8]
+ dsll $zero,$s4,$t4 # CHECK: dsllv $zero, $20, $12 # encoding: [0x01,0x94,0x00,0x14]
dsll32 $zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsll32 $zero,$zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsllv $zero,$t4 # CHECK: dsllv $zero, $zero, $12 # encoding: [0x01,0x80,0x00,0x14]
@@ -58,6 +59,7 @@
dsrav $gp,$s2,$s3 # CHECK: dsrav $gp, $18, $19 # encoding: [0x02,0x72,0xe0,0x17]
dsrl $s3,23 # CHECK: dsrl $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfa]
dsrl $s3,$6,23 # CHECK: dsrl $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfa]
+ dsrl $s3,$6,$s4 # CHECK: dsrlv $19, $6, $20 # encoding: [0x02,0x86,0x98,0x16]
dsrl32 $s3,23 # CHECK: dsrl32 $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfe]
dsrl32 $s3,$6,23 # CHECK: dsrl32 $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfe]
dsrlv $s3,$s4 # CHECK: dsrlv $19, $19, $20 # encoding: [0x02,0x93,0x98,0x16]
diff --git a/test/MC/Mips/mips5/valid.s b/test/MC/Mips/mips5/valid.s
index d32272d..1127ee5 100644
--- a/test/MC/Mips/mips5/valid.s
+++ b/test/MC/Mips/mips5/valid.s
@@ -47,6 +47,7 @@
dmultu $a1,$a2
dsll $zero,18 # CHECK: dsll $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xb8]
dsll $zero,$s4,18 # CHECK: dsll $zero, $20, 18 # encoding: [0x00,0x14,0x04,0xb8]
+ dsll $zero,$s4,$t4 # CHECK: dsllv $zero, $20, $12 # encoding: [0x01,0x94,0x00,0x14]
dsll32 $zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsll32 $zero,$zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsllv $zero,$t4 # CHECK: dsllv $zero, $zero, $12 # encoding: [0x01,0x80,0x00,0x14]
@@ -59,6 +60,7 @@
dsrav $gp,$s2,$s3 # CHECK: dsrav $gp, $18, $19 # encoding: [0x02,0x72,0xe0,0x17]
dsrl $s3,23 # CHECK: dsrl $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfa]
dsrl $s3,$6,23 # CHECK: dsrl $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfa]
+ dsrl $s3,$6,$s4 # CHECK: dsrlv $19, $6, $20 # encoding: [0x02,0x86,0x98,0x16]
dsrl32 $s3,23 # CHECK: dsrl32 $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfe]
dsrl32 $s3,$6,23 # CHECK: dsrl32 $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfe]
dsrlv $s3,$s4 # CHECK: dsrlv $19, $19, $20 # encoding: [0x02,0x93,0x98,0x16]
diff --git a/test/MC/Mips/mips64/valid.s b/test/MC/Mips/mips64/valid.s
index ae7454f..fd607dd 100644
--- a/test/MC/Mips/mips64/valid.s
+++ b/test/MC/Mips/mips64/valid.s
@@ -51,6 +51,7 @@
dmultu $a1,$a2
dsll $zero,18 # CHECK: dsll $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xb8]
dsll $zero,$s4,18 # CHECK: dsll $zero, $20, 18 # encoding: [0x00,0x14,0x04,0xb8]
+ dsll $zero,$s4,$t4 # CHECK: dsllv $zero, $20, $12 # encoding: [0x01,0x94,0x00,0x14]
dsll32 $zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsll32 $zero,$zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsllv $zero,$t4 # CHECK: dsllv $zero, $zero, $12 # encoding: [0x01,0x80,0x00,0x14]
@@ -63,6 +64,7 @@
dsrav $gp,$s2,$s3 # CHECK: dsrav $gp, $18, $19 # encoding: [0x02,0x72,0xe0,0x17]
dsrl $s3,23 # CHECK: dsrl $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfa]
dsrl $s3,$6,23 # CHECK: dsrl $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfa]
+ dsrl $s3,$6,$s4 # CHECK: dsrlv $19, $6, $20 # encoding: [0x02,0x86,0x98,0x16]
dsrl32 $s3,23 # CHECK: dsrl32 $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfe]
dsrl32 $s3,$6,23 # CHECK: dsrl32 $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfe]
dsrlv $s3,$s4 # CHECK: dsrlv $19, $19, $20 # encoding: [0x02,0x93,0x98,0x16]
diff --git a/test/MC/Mips/mips64r2/valid.s b/test/MC/Mips/mips64r2/valid.s
index 4be5458..357c4e5 100644
--- a/test/MC/Mips/mips64r2/valid.s
+++ b/test/MC/Mips/mips64r2/valid.s
@@ -60,6 +60,7 @@
dshd $v0,$sp
dsll $zero,18 # CHECK: dsll $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xb8]
dsll $zero,$s4,18 # CHECK: dsll $zero, $20, 18 # encoding: [0x00,0x14,0x04,0xb8]
+ dsll $zero,$s4,$t4 # CHECK: dsllv $zero, $20, $12 # encoding: [0x01,0x94,0x00,0x14]
dsll32 $zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsll32 $zero,$zero,18 # CHECK: dsll32 $zero, $zero, 18 # encoding: [0x00,0x00,0x04,0xbc]
dsllv $zero,$t4 # CHECK: dsllv $zero, $zero, $12 # encoding: [0x01,0x80,0x00,0x14]
@@ -72,6 +73,7 @@
dsrav $gp,$s2,$s3 # CHECK: dsrav $gp, $18, $19 # encoding: [0x02,0x72,0xe0,0x17]
dsrl $s3,23 # CHECK: dsrl $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfa]
dsrl $s3,$6,23 # CHECK: dsrl $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfa]
+ dsrl $s3,$6,$s4 # CHECK: dsrlv $19, $6, $20 # encoding: [0x02,0x86,0x98,0x16]
dsrl32 $s3,23 # CHECK: dsrl32 $19, $19, 23 # encoding: [0x00,0x13,0x9d,0xfe]
dsrl32 $s3,$6,23 # CHECK: dsrl32 $19, $6, 23 # encoding: [0x00,0x06,0x9d,0xfe]
dsrlv $s3,$s4 # CHECK: dsrlv $19, $19, $20 # encoding: [0x02,0x93,0x98,0x16]
