================
@@ -783,6 +783,54 @@ void RISCVFrameLowering::allocateStack(MachineBasicBlock
&MBB,
}
}
+static bool isPush(unsigned Opcode) {
+ switch (Opcode) {
+ case RISCV::CM_PUSH:
+ case RISCV::QC_CM_PUSH:
+ case RISCV::QC_CM_PUSHFP:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool isPop(unsigned Opcode) {
+ // There are other pops but these are the only ones introduced during this
+ // pass.
+ switch (Opcode) {
+ case RISCV::CM_POP:
+ case RISCV::QC_CM_POP:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static unsigned getPushOpcode(RISCVMachineFunctionInfo::PushKind Kind,
+ bool hasFP) {
+ switch (Kind) {
+ case RISCVMachineFunctionInfo::PushKind::StdExtZcmp:
+ return RISCV::CM_PUSH;
+ case RISCVMachineFunctionInfo::PushKind::VendorXqccmp:
+ return hasFP ? RISCV::QC_CM_PUSHFP : RISCV::QC_CM_PUSH;
+ default:
+ llvm_unreachable("Unhandled PushKind");
+ }
+}
+
+static unsigned getPopOpcode(RISCVMachineFunctionInfo::PushKind Kind) {
+ // There are other pops but they are introduced later by the Push/Pop
+ // Optimizer.
+ switch (Kind) {
+ case RISCVMachineFunctionInfo::PushKind::StdExtZcmp:
+ return RISCV::CM_POP;
+ case llvm::RISCVMachineFunctionInfo::PushKind::VendorXqccmp:
+ return RISCV::CM_POP;
----------------
topperc wrote:
Should this be RISCV::QC_CM_POP?
https://github.com/llvm/llvm-project/pull/128815
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