Thumb2 assembly parsing and encoding for signed saturating arithmetic insns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139810 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index 7e78b6c55fa3febe69882e60e39a1c10a48dade0..d9f3e22427b3d27cd4d29dfefed198c60c4df037 100644 (file)
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -1345,6 +1345,74 @@ _func:
 @ CHECK: pli   [sp, r2]                @ encoding: [0x1d,0xf9,0x02,0xf0]
 
 
+@------------------------------------------------------------------------------
+@ QADD/QADD16/QADD8
+@------------------------------------------------------------------------------
+        qadd r1, r2, r3
+        qadd16 r1, r2, r3
+        qadd8 r1, r2, r3
+        itte gt
+        qaddgt r1, r2, r3
+        qadd16gt r1, r2, r3
+        qadd8le r1, r2, r3
+
+@ CHECK: qadd  r1, r2, r3              @ encoding: [0x83,0xfa,0x82,0xf1]
+@ CHECK: qadd16        r1, r2, r3              @ encoding: [0x92,0xfa,0x13,0xf1]
+@ CHECK: qadd8 r1, r2, r3              @ encoding: [0x82,0xfa,0x13,0xf1]
+@ CHECK: itte  gt                      @ encoding: [0xc6,0xbf]
+@ CHECK: qaddgt        r1, r2, r3              @ encoding: [0x83,0xfa,0x82,0xf1]
+@ CHECK: qadd16gt r1, r2, r3            @ encoding: [0x92,0xfa,0x13,0xf1]
+@ CHECK: qadd8le r1, r2, r3             @ encoding: [0x82,0xfa,0x13,0xf1]
+
+
+@------------------------------------------------------------------------------
+@ QDADD/QDSUB
+@------------------------------------------------------------------------------
+        qdadd r6, r7, r8
+        qdsub r6, r7, r8
+        itt hi
+        qdaddhi r6, r7, r8
+        qdsubhi r6, r7, r8
+
+@ CHECK: qdadd r6, r7, r8              @ encoding: [0x88,0xfa,0x97,0xf6]
+@ CHECK: qdsub r6, r7, r8              @ encoding: [0x88,0xfa,0xb7,0xf6]
+@ CHECK: itt   hi                      @ encoding: [0x84,0xbf]
+@ CHECK: qdaddhi r6, r7, r8             @ encoding: [0x88,0xfa,0x97,0xf6]
+@ CHECK: qdsubhi r6, r7, r8             @ encoding: [0x88,0xfa,0xb7,0xf6]
+
+
+@------------------------------------------------------------------------------
+@ QSAX
+@------------------------------------------------------------------------------
+        qsax r9, r12, r0
+        it eq
+        qsaxeq r9, r12, r0
+
+@ CHECK: qsax  r9, r12, r0             @ encoding: [0xec,0xfa,0x10,0xf9]
+@ CHECK: it    eq                      @ encoding: [0x08,0xbf]
+@ CHECK: qsaxeq        r9, r12, r0             @ encoding: [0xec,0xfa,0x10,0xf9]
+
+
+@------------------------------------------------------------------------------
+@ QSUB/QSUB16/QSUB8
+@------------------------------------------------------------------------------
+        qsub r1, r2, r3
+        qsub16 r1, r2, r3
+        qsub8 r1, r2, r3
+        itet le
+        qsuble r1, r2, r3
+        qsub16gt r1, r2, r3
+        qsub8le r1, r2, r3
+
+@ CHECK: qsub  r1, r2, r3              @ encoding: [0x83,0xfa,0xa2,0xf1]
+@ CHECK: qsub16        r1, r2, r3              @ encoding: [0xd2,0xfa,0x13,0xf1]
+@ CHECK: qsub8 r1, r2, r3              @ encoding: [0xc2,0xfa,0x13,0xf1]
+@ CHECK: itet  le                      @ encoding: [0xd6,0xbf]
+@ CHECK: qsuble        r1, r2, r3              @ encoding: [0x83,0xfa,0xa2,0xf1]
+@ CHECK: qsub16gt      r1, r2, r3      @ encoding: [0xd2,0xfa,0x13,0xf1]
+@ CHECK: qsub8le r1, r2, r3             @ encoding: [0xc2,0xfa,0x13,0xf1]
+
+
 @------------------------------------------------------------------------------
 @ SUB (register)
 @------------------------------------------------------------------------------