[llvm] [clang-tools-extra] [compiler-rt] [flang] [clang] [PowerPC][CodeGen] Exploit STMW and LMW in 32-bit big-endian mode. (PR #74415)

[Chen Zheng via cfe-commits]

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@@ -40,6 +40,12 @@ EnablePEVectorSpills("ppc-enable-pe-vector-spills",
                      cl::desc("Enable spills in prologue to vector registers."),
                      cl::init(false), cl::Hidden);
 
+static cl::opt<bool>
+    EnableLoadStoreMultiple("ppc-enable-load-store-multiple",
+                            cl::desc("Enable load/store multiple (only "
+                                     "support in 32-bit big-endian mode)."),
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chenzheng1030 wrote:

Instead of 32-bit big-endian, maybe it is better to limit this under AIX-32 bit.

https://github.com/llvm/llvm-project/pull/74415