[llvm] 409fa78 - [ARM] Add "avoidmuls" to STAR-MC1 also (#123706)

[via llvm-commits]

Author: Albert Huang
Date: 2025-02-05T07:44:53Z
New Revision: 409fa785d99b3e9f8210b72641d58947e6687fb1

URL: https://github.com/llvm/llvm-project/commit/409fa785d99b3e9f8210b72641d58947e6687fb1
DIFF: https://github.com/llvm/llvm-project/commit/409fa785d99b3e9f8210b72641d58947e6687fb1.diff

LOG: [ARM] Add "avoidmuls" to STAR-MC1 also (#123706)

PR #112540 as the reference.

Added: 
    

Modified: 
    llvm/lib/Target/ARM/ARMProcessors.td
    llvm/test/CodeGen/Thumb2/avoidmuls.mir

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/ARM/ARMProcessors.td b/llvm/lib/Target/ARM/ARMProcessors.td
index 213b104bcfdb2fc..7453727a7cff0cf 100644
--- a/llvm/lib/Target/ARM/ARMProcessors.td
+++ b/llvm/lib/Target/ARM/ARMProcessors.td
@@ -377,6 +377,7 @@ def : ProcessorModel<"star-mc1", CortexM4Model,         [ARMv8mMainline,
                                                          FeatureHasSlowFPVFMx,
                                                          FeatureUseMISched,
                                                          FeatureHasNoBranchPredictor,
+                                                         FeatureAvoidMULS,
                                                          FeatureFixCMSE_CVE_2021_35465]>;
 
 def : ProcessorModel<"cortex-m35p", CortexM4Model,      [ARMv8mMainline,

diff  --git a/llvm/test/CodeGen/Thumb2/avoidmuls.mir b/llvm/test/CodeGen/Thumb2/avoidmuls.mir
index 865152068fdf7fc..7bfa4b906006375 100644
--- a/llvm/test/CodeGen/Thumb2/avoidmuls.mir
+++ b/llvm/test/CodeGen/Thumb2/avoidmuls.mir
@@ -1,4 +1,5 @@
 # RUN: llc -mtriple=thumbv7m-none-eabi -mcpu=cortex-m33 -run-pass=thumb2-reduce-size %s -o - | FileCheck %s --check-prefix=MUL
+# RUN: llc -mtriple=thumbv7m-none-eabi -mcpu=star-mc1 -run-pass=thumb2-reduce-size %s -o - | FileCheck %s --check-prefix=MUL
 # RUN: llc -mtriple=thumbv7m-none-eabi --run-pass=thumb2-reduce-size %s -o - | FileCheck %s --check-prefix=MULS
 
 ---
@@ -17,4 +18,4 @@ body:             |
 
 # MULS-LABEL: test
 # MULS: tMUL
-# MULS-NOT: t2MUL
\ No newline at end of file
+# MULS-NOT: t2MUL