[llvm] [LoongArch] Strengthen stack size estimation for LSX/LASX extension (PR #146455)

[Lu Weining via llvm-commits]

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@@ -47,7 +47,7 @@ define i64 @va1(ptr %fmt, ...) {
 ; LA64-WITHFP-NEXT:    st.d $a2, $fp, 16
 ; LA64-WITHFP-NEXT:    st.d $a1, $fp, 8
 ; LA64-WITHFP-NEXT:    addi.d $a1, $fp, 16
-; LA64-WITHFP-NEXT:    st.d $a1, $fp, -24
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SixWeining wrote:

Why this is changed?

https://github.com/llvm/llvm-project/pull/146455