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-rw-r--r--llvm/lib/Target/PowerPC/PPCInstrInfo.td10
-rw-r--r--llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt5
-rw-r--r--llvm/test/MC/PowerPC/ppc64-encoding-ext.s7
3 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.td b/llvm/lib/Target/PowerPC/PPCInstrInfo.td
index cf20baea5b4..dda017981b0 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.td
@@ -3037,6 +3037,16 @@ def : Pat<(i1 (not (trunc i64:$in))),
// PowerPC Instructions used for assembler/disassembler only
//
+// FIXME: For B=0 or B > 8, the registers following RT are used.
+// WARNING: Do not add patterns for this instruction without fixing this.
+def LSWI : XForm_base_r3xo<31, 597, (outs gprc:$RT), (ins gprc:$A, u5imm:$B),
+ "lswi $RT, $A, $B", IIC_LdStLoad, []>;
+
+// FIXME: For B=0 or B > 8, the registers following RT are used.
+// WARNING: Do not add patterns for this instruction without fixing this.
+def STSWI : XForm_base_r3xo<31, 725, (outs), (ins gprc:$RT, gprc:$A, u5imm:$B),
+ "stswi $RT, $A, $B", IIC_LdStLoad, []>;
+
def ISYNC : XLForm_2_ext<19, 150, 0, 0, 0, (outs), (ins),
"isync", IIC_SprISYNC, []>;
diff --git a/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt b/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
index 45f4d3e045e..7d780e232ee 100644
--- a/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
+++ b/llvm/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
@@ -2266,3 +2266,8 @@
# CHECK: tlbia
0x7c 0x00 0x02 0xe4
+
+# CHECK: lswi 8, 6, 7
+0x7d 0x06 0x3c 0xaa
+# CHECK: stswi 8, 6, 7
+0x7d 0x06 0x3d 0xaa
diff --git a/llvm/test/MC/PowerPC/ppc64-encoding-ext.s b/llvm/test/MC/PowerPC/ppc64-encoding-ext.s
index 99a698d3a55..56a825dc35c 100644
--- a/llvm/test/MC/PowerPC/ppc64-encoding-ext.s
+++ b/llvm/test/MC/PowerPC/ppc64-encoding-ext.s
@@ -3609,3 +3609,10 @@
# CHECK-BE: tlbia # encoding: [0x7c,0x00,0x02,0xe4]
# CHECK-LE: tlbia # encoding: [0xe4,0x02,0x00,0x7c]
tlbia
+
+# CHECK-BE: lswi 8, 6, 7 # encoding: [0x7d,0x06,0x3c,0xaa]
+# CHECK-LE: lswi 8, 6, 7 # encoding: [0xaa,0x3c,0x06,0x7d]
+ lswi %r8, %r6, 7
+# CHECK-BE: stswi 8, 6, 7 # encoding: [0x7d,0x06,0x3d,0xaa]
+# CHECK-LE: stswi 8, 6, 7 # encoding: [0xaa,0x3d,0x06,0x7d]
+ stswi %r8, %r6, 7
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