[llvm] [GlobalISel][AArch64] Add G_FPTOSI_SAT/G_FPTOUI_SAT (PR #96297)

[Matt Arsenault via llvm-commits]

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@@ -708,6 +708,55 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
       .libcallFor(
           {{s32, s128}, {s64, s128}, {s128, s128}, {s128, s32}, {s128, s64}});
 
+  getActionDefinitionsBuilder({G_FPTOSI_SAT, G_FPTOUI_SAT})
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arsenm wrote:

This is one complicated rule set!

https://github.com/llvm/llvm-project/pull/96297