def X6 : RISCVReg<6, "x6", ["t1"]>, DwarfRegNum<[6]>;
def X7 : RISCVReg<7, "x7", ["t2"]>, DwarfRegNum<[7]>;
}
- def X8 : RISCVReg<8, "x8", ["s0"]>, DwarfRegNum<[8]>;
+ def X8 : RISCVReg<8, "x8", ["s0", "fp"]>, DwarfRegNum<[8]>;
def X9 : RISCVReg<9, "x9", ["s1"]>, DwarfRegNum<[9]>;
def X10 : RISCVReg<10,"x10", ["a0"]>, DwarfRegNum<[10]>;
def X11 : RISCVReg<11,"x11", ["a1"]>, DwarfRegNum<[11]>;
--- /dev/null
+# RUN: llvm-mc %s -triple=riscv32 \
+# RUN: | FileCheck %s
+# RUN: llvm-mc %s -triple=riscv64 \
+# RUN: | FileCheck %s
+# RUN: llvm-mc -filetype=obj -triple riscv32 < %s \
+# RUN: | llvm-objdump -d -r - \
+# RUN: | FileCheck %s
+# RUN: llvm-mc -filetype=obj -triple riscv64 < %s \
+# RUN: | llvm-objdump -d -r - \
+# RUN: | FileCheck %s
+
+# 'fp' is an alternate ABI name for 's0' and it should be accepted in input.
+# However, 's0' should be printed in preference.
+
+# CHECK: addi s0, s0, -4
+addi fp, fp, -4