[llvm] [RISC-V] Only emit multiples of 16 as immediate for cm.push (PR #84935)

[Craig Topper via llvm-commits]

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@@ -3,7 +3,7 @@
 define ptr @func(ptr %s, i32 %_c, ptr %incdec.ptr, i1 %0, i8 %conv14) #0 {
 ; RV32-LABEL: func:
 ; RV32:       # %bb.0: # %entry
-; RV32-NEXT:    cm.push {ra, s0-s1}, -24
+; RV32-NEXT:    cm.push {ra, s0-s1}, -32
 ; RV32-NEXT:    .cfi_def_cfa_offset 24
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topperc wrote:

Aren't these cfi directives wrong, since the stack pointer was moved by 32 not 24?

https://github.com/llvm/llvm-project/pull/84935