[llvm] [GlobalISel][ARM] Legalze set_fpenv and get_fpenv (PR #79852)

[Thorsten Schütt via llvm-commits]

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@@ -193,6 +193,11 @@ ARMLegalizerInfo::ARMLegalizerInfo(const ARMSubtarget &ST) {
         .legalForCartesianProduct({s32}, {s32, s64});
     getActionDefinitionsBuilder({G_SITOFP, G_UITOFP})
         .legalForCartesianProduct({s32, s64}, {s32});
+
+    getActionDefinitionsBuilder({G_GET_FPENV, G_SET_FPENV})
+      .legalFor({s32});
+    getActionDefinitionsBuilder(G_RESET_FPENV)
+      .legalIf([=](const LegalityQuery &Query) { return true; });
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tschuett wrote:

`.alwaysLegal();`

https://github.com/llvm/llvm-project/pull/79852