[AArch64][SVE] Asm: Support for FRECPE and FRSQRTE.

Support for floating-point instructions for reciprocal
estimate (FRECPE) and reciprocal square root estimate (FRSQRTE).

llvm-svn: 338120

4 files changed, 64 insertions, 0 deletions

diff --git a/llvm/test/MC/AArch64/SVE/frecpe-diagnostics.s b/llvm/test/MC/AArch64/SVE/frecpe-diagnostics.s
new file mode 100644
index 00000000000..80467f26f5a
--- /dev/null
+++ b/llvm/test/MC/AArch64/SVE/frecpe-diagnostics.s
@@ -0,0 +1,6 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+frecpe    z0.b, z31.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: frecpe    z0.b, z31.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
\ No newline at end of file
diff --git a/llvm/test/MC/AArch64/SVE/frecpe.s b/llvm/test/MC/AArch64/SVE/frecpe.s
new file mode 100644
index 00000000000..3b559d951f6
--- /dev/null
+++ b/llvm/test/MC/AArch64/SVE/frecpe.s
@@ -0,0 +1,26 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+frecpe   z0.h, z31.h
+// CHECK-INST: frecpe	z0.h, z31.h
+// CHECK-ENCODING: [0xe0,0x33,0x4e,0x65]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: e0 33 4e 65 <unknown>
+
+frecpe   z0.s, z31.s
+// CHECK-INST: frecpe	z0.s, z31.s
+// CHECK-ENCODING: [0xe0,0x33,0x8e,0x65]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: e0 33 8e 65 <unknown>
+
+frecpe   z0.d, z31.d
+// CHECK-INST: frecpe	z0.d, z31.d
+// CHECK-ENCODING: [0xe0,0x33,0xce,0x65]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: e0 33 ce 65 <unknown>
diff --git a/llvm/test/MC/AArch64/SVE/frsqrte-diagnostics.s b/llvm/test/MC/AArch64/SVE/frsqrte-diagnostics.s
new file mode 100644
index 00000000000..b7325e164aa
--- /dev/null
+++ b/llvm/test/MC/AArch64/SVE/frsqrte-diagnostics.s
@@ -0,0 +1,6 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+frsqrte   z0.b, z31.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: frsqrte   z0.b, z31.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
\ No newline at end of file
diff --git a/llvm/test/MC/AArch64/SVE/frsqrte.s b/llvm/test/MC/AArch64/SVE/frsqrte.s
new file mode 100644
index 00000000000..e0fa387b665
--- /dev/null
+++ b/llvm/test/MC/AArch64/SVE/frsqrte.s
@@ -0,0 +1,26 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+frsqrte  z0.h, z31.h
+// CHECK-INST: frsqrte	z0.h, z31.h
+// CHECK-ENCODING: [0xe0,0x33,0x4f,0x65]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: e0 33 4f 65 <unknown>
+
+frsqrte  z0.s, z31.s
+// CHECK-INST: frsqrte	z0.s, z31.s
+// CHECK-ENCODING: [0xe0,0x33,0x8f,0x65]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: e0 33 8f 65 <unknown>
+
+frsqrte  z0.d, z31.d
+// CHECK-INST: frsqrte	z0.d, z31.d
+// CHECK-ENCODING: [0xe0,0x33,0xcf,0x65]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: e0 33 cf 65 <unknown>