[ARM] Remove nonexistent unsigned forms of MVE VQDMLAH.

The VQDMLAH.U8, VQDMLAH.U16 and VQDMLAH.U32 instructions don't
actually exist: the Armv8.1-M architecture spec only lists signed
forms of that instruction. The unsigned ones were added in error: they
existed in an early draft of the spec, but they were removed before
the public version, and we missed that particular spec change.

Also affects the variant forms VQDMLASH, VQRDMLAH and VQRDMLASH.

Reviewers: miyuki

Subscribers: javed.absar, kristof.beyls, hiraditya, dmgreen, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64502

llvm-svn: 365747

3 files changed, 38 insertions, 40 deletions

diff --git a/llvm/lib/Target/ARM/ARMInstrMVE.td b/llvm/lib/Target/ARM/ARMInstrMVE.td
index 06f8b18320c..07ba61798d4 100644
--- a/llvm/lib/Target/ARM/ARMInstrMVE.td
+++ b/llvm/lib/Target/ARM/ARMInstrMVE.td
@@ -3355,9 +3355,6 @@ multiclass MVE_VQDMLAH_qr_types<string iname, bit bit_5, bit bit_12> {
   def s8  : MVE_VQDMLAH_qr<iname, "s8",  0b0, 0b00, bit_5, bit_12>;
   def s16 : MVE_VQDMLAH_qr<iname, "s16", 0b0, 0b01, bit_5, bit_12>;
   def s32 : MVE_VQDMLAH_qr<iname, "s32", 0b0, 0b10, bit_5, bit_12>;
-  def u8  : MVE_VQDMLAH_qr<iname, "u8",  0b1, 0b00, bit_5, bit_12>;
-  def u16 : MVE_VQDMLAH_qr<iname, "u16", 0b1, 0b01, bit_5, bit_12>;
-  def u32 : MVE_VQDMLAH_qr<iname, "u32", 0b1, 0b10, bit_5, bit_12>;
 }
 
 defm MVE_VQDMLAH_qr   : MVE_VQDMLAH_qr_types<"vqdmlah",   0b1, 0b0>;
diff --git a/llvm/test/MC/ARM/mve-qdest-rsrc.s b/llvm/test/MC/ARM/mve-qdest-rsrc.s
index 5495e6a1991..3b5536a7407 100644
--- a/llvm/test/MC/ARM/mve-qdest-rsrc.s
+++ b/llvm/test/MC/ARM/mve-qdest-rsrc.s
@@ -384,16 +384,16 @@ vqdmlash.s16 q0, q5, lr
 # CHECK-NOFP: vqdmlash.s32 q0, q2, r3  @ encoding: [0x24,0xee,0x63,0x1e]
 vqdmlash.s32 q0, q2, r3
 
-# CHECK: vqdmlash.u8 q0, q4, r2  @ encoding: [0x08,0xfe,0x62,0x1e]
-# CHECK-NOFP: vqdmlash.u8 q0, q4, r2  @ encoding: [0x08,0xfe,0x62,0x1e]
+# ERROR: [[@LINE+2]]:9: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:9: error: invalid operand for instruction
 vqdmlash.u8 q0, q4, r2
 
-# CHECK: vqdmlash.u16 q1, q4, r2  @ encoding: [0x18,0xfe,0x62,0x3e]
-# CHECK-NOFP: vqdmlash.u16 q1, q4, r2  @ encoding: [0x18,0xfe,0x62,0x3e]
+# ERROR: [[@LINE+2]]:9: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:9: error: invalid operand for instruction
 vqdmlash.u16 q1, q4, r2
 
-# CHECK: vqdmlash.u32 q1, q5, r0  @ encoding: [0x2a,0xfe,0x60,0x3e]
-# CHECK-NOFP: vqdmlash.u32 q1, q5, r0  @ encoding: [0x2a,0xfe,0x60,0x3e]
+# ERROR: [[@LINE+2]]:9: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:9: error: invalid operand for instruction
 vqdmlash.u32 q1, q5, r0
 
 # CHECK: vqdmlah.s8 q0, q3, r3  @ encoding: [0x06,0xee,0x63,0x0e]
@@ -408,16 +408,16 @@ vqdmlah.s16 q5, q3, r9
 # CHECK-NOFP: vqdmlah.s32 q0, q1, r11  @ encoding: [0x22,0xee,0x6b,0x0e]
 vqdmlah.s32 q0, q1, r11
 
-# CHECK: vqdmlah.u8 q0, q2, lr  @ encoding: [0x04,0xfe,0x6e,0x0e]
-# CHECK-NOFP: vqdmlah.u8 q0, q2, lr  @ encoding: [0x04,0xfe,0x6e,0x0e]
+# ERROR: [[@LINE+2]]:8: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:8: error: invalid operand for instruction
 vqdmlah.u8 q0, q2, lr
 
-# CHECK: vqdmlah.u16 q0, q3, r10  @ encoding: [0x16,0xfe,0x6a,0x0e]
-# CHECK-NOFP: vqdmlah.u16 q0, q3, r10  @ encoding: [0x16,0xfe,0x6a,0x0e]
+# ERROR: [[@LINE+2]]:8: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:8: error: invalid operand for instruction
 vqdmlah.u16 q0, q3, r10
 
-# CHECK: vqdmlah.u32 q1, q5, r2  @ encoding: [0x2a,0xfe,0x62,0x2e]
-# CHECK-NOFP: vqdmlah.u32 q1, q5, r2  @ encoding: [0x2a,0xfe,0x62,0x2e]
+# ERROR: [[@LINE+2]]:8: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:8: error: invalid operand for instruction
 vqdmlah.u32 q1, q5, r2
 
 # CHECK: vqrdmlash.s8 q0, q5, r10  @ encoding: [0x0a,0xee,0x4a,0x1e]
@@ -432,16 +432,16 @@ vqrdmlash.s16 q0, q3, r2
 # CHECK-NOFP: vqrdmlash.s32 q0, q0, r4  @ encoding: [0x20,0xee,0x44,0x1e]
 vqrdmlash.s32 q0, q0, r4
 
-# CHECK: vqrdmlash.u8 q0, q4, r9  @ encoding: [0x08,0xfe,0x49,0x1e]
-# CHECK-NOFP: vqrdmlash.u8 q0, q4, r9  @ encoding: [0x08,0xfe,0x49,0x1e]
+# ERROR: [[@LINE+2]]:10: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:10: error: invalid operand for instruction
 vqrdmlash.u8 q0, q4, r9
 
-# CHECK: vqrdmlash.u16 q0, q6, r12  @ encoding: [0x1c,0xfe,0x4c,0x1e]
-# CHECK-NOFP: vqrdmlash.u16 q0, q6, r12  @ encoding: [0x1c,0xfe,0x4c,0x1e]
+# ERROR: [[@LINE+2]]:10: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:10: error: invalid operand for instruction
 vqrdmlash.u16 q0, q6, r12
 
-# CHECK: vqrdmlash.u32 q0, q3, r7  @ encoding: [0x26,0xfe,0x47,0x1e]
-# CHECK-NOFP: vqrdmlash.u32 q0, q3, r7  @ encoding: [0x26,0xfe,0x47,0x1e]
+# ERROR: [[@LINE+2]]:10: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:10: error: invalid operand for instruction
 vqrdmlash.u32 q0, q3, r7
 
 # CHECK: vqrdmlah.s8 q0, q5, r11  @ encoding: [0x0a,0xee,0x4b,0x0e]
@@ -456,16 +456,16 @@ vqrdmlah.s16 q0, q2, r10
 # CHECK-NOFP: vqrdmlah.s32 q0, q4, r11  @ encoding: [0x28,0xee,0x4b,0x0e]
 vqrdmlah.s32 q0, q4, r11
 
-# CHECK: vqrdmlah.u8 q0, q4, r2  @ encoding: [0x08,0xfe,0x42,0x0e]
-# CHECK-NOFP: vqrdmlah.u8 q0, q4, r2  @ encoding: [0x08,0xfe,0x42,0x0e]
+# ERROR: [[@LINE+2]]:9: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:9: error: invalid operand for instruction
 vqrdmlah.u8 q0, q4, r2
 
-# CHECK: vqrdmlah.u16 q0, q6, r1  @ encoding: [0x1c,0xfe,0x41,0x0e]
-# CHECK-NOFP: vqrdmlah.u16 q0, q6, r1  @ encoding: [0x1c,0xfe,0x41,0x0e]
+# ERROR: [[@LINE+2]]:9: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:9: error: invalid operand for instruction
 vqrdmlah.u16 q0, q6, r1
 
-# CHECK: vqrdmlah.u32 q0, q4, r2  @ encoding: [0x28,0xfe,0x42,0x0e]
-# CHECK-NOFP: vqrdmlah.u32 q0, q4, r2  @ encoding: [0x28,0xfe,0x42,0x0e]
+# ERROR: [[@LINE+2]]:9: error: invalid operand for instruction
+# ERROR-NOFP: [[@LINE+1]]:9: error: invalid operand for instruction
 vqrdmlah.u32 q0, q4, r2
 
 # CHECK: viwdup.u8 q0, lr, r1, #1  @ encoding: [0x0f,0xee,0x60,0x0f]
diff --git a/llvm/test/MC/Disassembler/ARM/mve-qdest-rsrc.txt b/llvm/test/MC/Disassembler/ARM/mve-qdest-rsrc.txt
index 1730666995a..0f862f3e556 100644
--- a/llvm/test/MC/Disassembler/ARM/mve-qdest-rsrc.txt
+++ b/llvm/test/MC/Disassembler/ARM/mve-qdest-rsrc.txt
@@ -1,4 +1,5 @@
-# RUN: llvm-mc -disassemble -triple=thumbv8.1m.main-none-eabi -mattr=+mve.fp,+fp64 -show-encoding %s | FileCheck %s
+# RUN: not llvm-mc -disassemble -triple=thumbv8.1m.main-none-eabi -mattr=+mve.fp,+fp64 -show-encoding %s 2>%t | FileCheck %s
+# RUN: FileCheck --check-prefix=ERROR < %t %s
 # RUN: not llvm-mc -disassemble -triple=thumbv8.1m.main-none-eabi -show-encoding %s &> %t
 # RUN: FileCheck --check-prefix=CHECK-NOMVE < %t %s
 
@@ -382,15 +383,15 @@
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x24,0xee,0x63,0x1e]
 
-# CHECK: vqdmlash.u8 q0, q4, r2  @ encoding: [0x08,0xfe,0x62,0x1e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x08,0xfe,0x62,0x1e]
 
-# CHECK: vqdmlash.u16 q1, q4, r2  @ encoding: [0x18,0xfe,0x62,0x3e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x18,0xfe,0x62,0x3e]
 
-# CHECK: vqdmlash.u32 q1, q5, r0  @ encoding: [0x2a,0xfe,0x60,0x3e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x2a,0xfe,0x60,0x3e]
 
@@ -406,15 +407,15 @@
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x22,0xee,0x6b,0x0e]
 
-# CHECK: vqdmlah.u8 q0, q2, lr  @ encoding: [0x04,0xfe,0x6e,0x0e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x04,0xfe,0x6e,0x0e]
 
-# CHECK: vqdmlah.u16 q0, q3, r10  @ encoding: [0x16,0xfe,0x6a,0x0e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x16,0xfe,0x6a,0x0e]
 
-# CHECK: vqdmlah.u32 q1, q5, r2  @ encoding: [0x2a,0xfe,0x62,0x2e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x2a,0xfe,0x62,0x2e]
 
@@ -430,15 +431,15 @@
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x20,0xee,0x44,0x1e]
 
-# CHECK: vqrdmlash.u8 q0, q4, r9  @ encoding: [0x08,0xfe,0x49,0x1e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x08,0xfe,0x49,0x1e]
 
-# CHECK: vqrdmlash.u16 q0, q6, r12  @ encoding: [0x1c,0xfe,0x4c,0x1e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x1c,0xfe,0x4c,0x1e]
 
-# CHECK: vqrdmlash.u32 q0, q3, r7  @ encoding: [0x26,0xfe,0x47,0x1e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x26,0xfe,0x47,0x1e]
 
@@ -454,15 +455,15 @@
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x28,0xee,0x4b,0x0e]
 
-# CHECK: vqrdmlah.u8 q0, q4, r2  @ encoding: [0x08,0xfe,0x42,0x0e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x08,0xfe,0x42,0x0e]
 
-# CHECK: vqrdmlah.u16 q0, q6, r1  @ encoding: [0x1c,0xfe,0x41,0x0e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x1c,0xfe,0x41,0x0e]
 
-# CHECK: vqrdmlah.u32 q0, q4, r2  @ encoding: [0x28,0xfe,0x42,0x0e]
+# ERROR: [[@LINE+2]]:2: warning: invalid instruction encoding
 # CHECK-NOMVE: [[@LINE+1]]:2: warning: invalid instruction encoding
 [0x28,0xfe,0x42,0x0e]