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

[Qiu Chaofan via cfe-commits]

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@@ -0,0 +1,110 @@
+; RUN: llc -mtriple=powerpc-unknown-aix-xcoff -verify-machineinstrs \
+; RUN:     -mcpu=pwr4 -mattr=-altivec --ppc-enable-load-store-multiple < %s \
+; RUN:     | FileCheck %s
+
+; CHECK: stmw 16, 64(1)   # 4-byte Folded Spill
+; CHECK: lmw 16, 64(1)    # 4-byte Folded Reload
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ecnelises wrote:

The whole asm sequence might be long, but it's still better to add some context.

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