1 files changed, 92 insertions, 0 deletions
diff --git a/test/MC/X86/3DNow.s b/test/MC/X86/3DNow.s
new file mode 100644
index 0000000..4dc68ae
--- /dev/null
+++ b/test/MC/X86/3DNow.s
@@ -0,0 +1,92 @@
+// RUN: llvm-mc -triple i386-unknown-unknown --show-encoding %s | FileCheck %s
+
+// PR8283
+
+// CHECK: pavgusb %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xbf]
+pavgusb	%mm2, %mm1
+
+// CHECK: pavgusb 9(%esi,%edx), %mm3 # encoding: [0x0f,0x0f,0x5c,0x16,0x09,0xbf]
+pavgusb	9(%esi,%edx), %mm3
+
+        
+// CHECK: pf2id %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x1d]
+pf2id	%mm2, %mm1
+
+// CHECK: pf2id 9(%esi,%edx), %mm3 # encoding: [0x0f,0x0f,0x5c,0x16,0x09,0x1d]
+pf2id	9(%esi,%edx), %mm3
+
+// CHECK: pfacc %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xae]
+pfacc	%mm2, %mm1
+
+// CHECK: pfadd %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x9e]
+pfadd	%mm2, %mm1
+
+// CHECK: pfcmpeq %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xb0]
+pfcmpeq	%mm2, %mm1
+
+// CHECK: pfcmpge %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x90]
+pfcmpge	%mm2, %mm1
+
+// CHECK: pfcmpgt %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xa0]
+pfcmpgt	%mm2, %mm1
+
+// CHECK: pfmax %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xa4]
+pfmax	%mm2, %mm1
+
+// CHECK: pfmin %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x94]
+pfmin	%mm2, %mm1
+
+// CHECK: pfmul %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xb4]
+pfmul	%mm2, %mm1
+
+// CHECK: pfrcp %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x96]
+pfrcp	%mm2, %mm1
+
+// CHECK: pfrcpit1 %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xa6]
+pfrcpit1	%mm2, %mm1
+
+// CHECK: pfrcpit2 %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xb6]
+pfrcpit2	%mm2, %mm1
+
+// CHECK: pfrsqit1 %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xa7]
+pfrsqit1	%mm2, %mm1
+
+// CHECK: pfrsqrt %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x97]
+pfrsqrt	%mm2, %mm1
+
+// CHECK: pfsub %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x9a]
+pfsub	%mm2, %mm1
+
+// CHECK: pfsubr %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xaa]
+pfsubr	%mm2, %mm1
+
+// CHECK: pi2fd %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x0d]
+pi2fd	%mm2, %mm1
+
+// CHECK: pmulhrw %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xb7]
+pmulhrw	%mm2, %mm1
+
+
+// CHECK: femms # encoding: [0x0f,0x0e]
+femms
+
+// CHECK: prefetch (%rax)   # encoding: [0x0f,0x0d,0x00]
+// CHECK: prefetchw (%rax)  # encoding: [0x0f,0x0d,0x08]
+prefetch (%rax)
+prefetchw (%rax)
+
+
+// CHECK: pf2iw %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x1c]
+pf2iw %mm2, %mm1
+
+// CHECK: pi2fw %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x0c]
+pi2fw %mm2, %mm1
+
+// CHECK: pfnacc %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x8a]
+pfnacc %mm2, %mm1
+
+// CHECK: pfpnacc %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0x8e]
+pfpnacc %mm2, %mm1
+
+// CHECK: pswapd %mm2, %mm1  # encoding: [0x0f,0x0f,0xca,0xbb]
+pswapd %mm2, %mm1