[ARM] Add Cortex-M35P

- Add LLVM backend support for Cortex-M35P
- Documentation can be found at
  https://developer.arm.com/products/processors/cortex-m/cortex-m35p

Differentail Revision: https://reviews.llvm.org/D57763

llvm-svn: 354868

diff --git a/llvm/include/llvm/Support/ARMTargetParser.def b/llvm/include/llvm/Support/ARMTargetParser.def
index dc052b45c9dce3fec9ad7f5555e60714f60316f2..da953a7754dd83e33f0cb6806cfe3e903580b6a5 100644 (file)
--- a/llvm/include/llvm/Support/ARMTargetParser.def
+++ b/llvm/include/llvm/Support/ARMTargetParser.def
@@ -251,6 +251,7 @@ ARM_CPU_NAME("cortex-m4", ARMV7EM, FK_FPV4_SP_D16, true, ARM::AEK_NONE)
 ARM_CPU_NAME("cortex-m7", ARMV7EM, FK_FPV5_D16, false, ARM::AEK_NONE)
 ARM_CPU_NAME("cortex-m23", ARMV8MBaseline, FK_NONE, false, ARM::AEK_NONE)
 ARM_CPU_NAME("cortex-m33", ARMV8MMainline, FK_FPV5_SP_D16, false, ARM::AEK_DSP)
+ARM_CPU_NAME("cortex-m35p", ARMV8MMainline, FK_FPV5_SP_D16, false, ARM::AEK_DSP)
 ARM_CPU_NAME("cortex-a32", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)
 ARM_CPU_NAME("cortex-a35", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)
 ARM_CPU_NAME("cortex-a53", ARMV8A, FK_CRYPTO_NEON_FP_ARMV8, false, ARM::AEK_CRC)

diff --git a/llvm/lib/Target/ARM/ARM.td b/llvm/lib/Target/ARM/ARM.td
index 6fd23ebb0f6facbade7f7aee44486a397c8c451e..c73edfa193e5219e3f599909fac8da12aab9df8e 100644 (file)
--- a/llvm/lib/Target/ARM/ARM.td
+++ b/llvm/lib/Target/ARM/ARM.td
@@ -1011,6 +1011,16 @@ def : ProcessorModel<"cortex-m33", CortexM3Model,       [ARMv8mMainline,
                                                          FeatureHasSlowFPVMLx,
                                                          FeatureHasNoBranchPredictor]>;
 
+def : ProcessorModel<"cortex-m35p", CortexM3Model,      [ARMv8mMainline,
+                                                         FeatureDSP,
+                                                         FeatureFPARMv8,
+                                                         FeatureD16,
+                                                         FeatureVFPOnlySP,
+                                                         FeaturePrefLoopAlign32,
+                                                         FeatureHasSlowFPVMLx,
+                                                         FeatureHasNoBranchPredictor]>;
+
+
 def : ProcNoItin<"cortex-a32",                           [ARMv8a,
                                                          FeatureHWDivThumb,
                                                          FeatureHWDivARM,

diff --git a/llvm/test/CodeGen/ARM/build-attributes.ll b/llvm/test/CodeGen/ARM/build-attributes.ll
index fefe0c8fd231bd0645a687c999188cdbd5885cbd..2fd432cf069d36e9d77f6bcdaa418548cd63db57 100644 (file)
--- a/llvm/test/CodeGen/ARM/build-attributes.ll
+++ b/llvm/test/CodeGen/ARM/build-attributes.ll
@@ -106,6 +106,10 @@
 ; RUN: llc < %s -mtriple=thumbv8-linux-gnueabi -mcpu=cortex-m33 | FileCheck %s --check-prefix=CORTEX-M33
 ; RUN: llc < %s -mtriple=thumbv8-linux-gnueabi -mcpu=cortex-m33 -enable-unsafe-fp-math -frame-pointer=all -enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast | FileCheck %s --check-prefix=CORTEX-M33-FAST
 ; RUN: llc < %s -mtriple=thumbv8-linux-gnueabi -mcpu=cortex-m33 -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
+
+; RUN: llc < %s -mtriple=thumbv8-linux-gnueabi -mcpu=cortex-m35p | FileCheck %s --check-prefix=CORTEX-M35P
+; RUN: llc < %s -mtriple=thumbv8-linux-gnueabi -mcpu=cortex-m35p -enable-sign-dependent-rounding-fp-math | FileCheck %s --check-prefix=DYN-ROUNDING
+
 ; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r4 | FileCheck %s --check-prefix=CORTEX-R4
 ; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r4f | FileCheck %s --check-prefix=CORTEX-R4F
 ; RUN: llc < %s -mtriple=armv7r-linux-gnueabi -mcpu=cortex-r5 | FileCheck %s --check-prefix=CORTEX-R5
@@ -229,6 +233,8 @@
 ; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m23 | FileCheck %s --check-prefix=STRICT-ALIGN
 ; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m33 | FileCheck %s --check-prefix=NO-STRICT-ALIGN
 ; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m33 -mattr=+strict-align | FileCheck %s --check-prefix=STRICT-ALIGN
+; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m35p | FileCheck %s --check-prefix=NO-STRICT-ALIGN
+; RUN: llc < %s -mtriple=thumbv8-none-none-eabi -mcpu=cortex-m35p -mattr=+strict-align | FileCheck %s --check-prefix=STRICT-ALIGN
 
 ; CPU-SUPPORTED-NOT: is not a recognized processor for this target
 
@@ -1391,6 +1397,27 @@
 ; CORTEX-M33:  .eabi_attribute 38, 1
 ; CORTEX-M33:  .eabi_attribute 14, 0
 
+; CORTEX-M35P:  .cpu cortex-m35p
+; CORTEX-M35P:  .eabi_attribute 6, 17
+; CORTEX-M35P:  .eabi_attribute 7, 77
+; CORTEX-M35P:  .eabi_attribute 8, 0
+; CORTEX-M35P:  .eabi_attribute 9, 3
+; CORTEX-M35P:  .fpu fpv5-sp-d16
+; CORTEX-M35P:  .eabi_attribute 27, 1
+; CORTEX-M35P:  .eabi_attribute 36, 1
+; CORTEX-M35P-NOT:  .eabi_attribute 44
+; CORTEX-M35P:  .eabi_attribute 46, 1
+; CORTEX-M35P:  .eabi_attribute 34, 1
+; CORTEX-M35P:  .eabi_attribute 17, 1
+; CORTEX-M35P:  .eabi_attribute 20, 1
+; CORTEX-M35P:  .eabi_attribute 21, 1
+; CORTEX-M35P:  .eabi_attribute 23, 3
+; CORTEX-M35P:  .eabi_attribute 24, 1
+; CORTEX-M35P:  .eabi_attribute 25, 1
+; CORTEX-M35P-NOT:  .eabi_attribute 28
+; CORTEX-M35P:  .eabi_attribute 38, 1
+; CORTEX-M35P:  .eabi_attribute 14, 0
+
 ; CORTEX-M33-FAST-NOT:   .eabi_attribute 19
 ; CORTEX-M33-FAST:  .eabi_attribute 20, 2
 ; CORTEX-M33-FAST-NOT:  .eabi_attribute 21

diff --git a/llvm/test/CodeGen/ARM/movt.ll b/llvm/test/CodeGen/ARM/movt.ll
index f51582031bd59c4b543a733fda992a2bca6925b5..70ecba4b9d867aec4ac06a05769a9d16cc1d1650 100644 (file)
--- a/llvm/test/CodeGen/ARM/movt.ll
+++ b/llvm/test/CodeGen/ARM/movt.ll
@@ -4,6 +4,7 @@
 ; RUN: llc -mtriple=thumbv8m.base %s -o - | FileCheck %s
 ; RUN: llc -mtriple=thumbv8m.base -mcpu=cortex-m23 %s -o - | FileCheck %s --check-prefix=NOMOVT
 ; RUN: llc -mtriple=thumbv8m.base -mcpu=cortex-m33 %s -o - | FileCheck %s
+; RUN: llc -mtriple=thumbv8m.base -mcpu=cortex-m35p %s -o - | FileCheck %s
 
 define i32 @t(i32 %X) nounwind {
 ; CHECK-LABEL: t:

diff --git a/llvm/unittests/Support/TargetParserTest.cpp b/llvm/unittests/Support/TargetParserTest.cpp
index 9c3084299f6d1563b77092fbeac0b1b1ce0e1b46..2790a984b147f361850890daff706d0b3b06384d 100644 (file)
--- a/llvm/unittests/Support/TargetParserTest.cpp
+++ b/llvm/unittests/Support/TargetParserTest.cpp
@@ -286,6 +286,8 @@ TEST(TargetParserTest, testARMCPU) {
                          ARM::AEK_HWDIVTHUMB, "8-M.Baseline"));
   EXPECT_TRUE(testARMCPU("cortex-m33", "armv8-m.main", "fpv5-sp-d16",
                          ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "8-M.Mainline"));
+  EXPECT_TRUE(testARMCPU("cortex-m35p", "armv8-m.main", "fpv5-sp-d16",
+                         ARM::AEK_HWDIVTHUMB | ARM::AEK_DSP, "8-M.Mainline"));
   EXPECT_TRUE(testARMCPU("iwmmxt", "iwmmxt", "none",
                          ARM::AEK_NONE, "iwmmxt"));
   EXPECT_TRUE(testARMCPU("xscale", "xscale", "none",
@@ -295,7 +297,7 @@ TEST(TargetParserTest, testARMCPU) {
                          "7-S"));
 }
 
-static constexpr unsigned NumARMCPUArchs = 84;
+static constexpr unsigned NumARMCPUArchs = 85;
 
 TEST(TargetParserTest, testARMCPUArchList) {
   SmallVector<StringRef, NumARMCPUArchs> List;