llvmorg-github-actions[bot] wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-backend-aarch64 Author: llvmbot <details> <summary>Changes</summary> Backport 9c6a9f5fa37ffc21d4561301772bc600bd344d4c Requested by: @<!-- -->cjacek --- Full diff: https://github.com/llvm/llvm-project/pull/210315.diff 2 Files Affected: - (modified) llvm/lib/Target/AArch64/AArch64ISelLowering.cpp (+21) - (modified) llvm/test/CodeGen/AArch64/arm64ec-exit-thunks.ll (+12) ``````````diff diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index d6f2633297e51..abb62492342f8 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -10556,6 +10556,27 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI, const TargetOptions &Options = DAG.getTarget().Options; if (Options.EmitCallSiteInfo) CSInfo.ArgRegPairs.emplace_back(VA.getLocReg(), i); + if (IsArm64ECVarArgExitThunk) { + Register FPReg; + switch (VA.getLocReg()) { + case AArch64::X0: + FPReg = AArch64::D0; + break; + case AArch64::X1: + FPReg = AArch64::D1; + break; + case AArch64::X2: + FPReg = AArch64::D2; + break; + case AArch64::X3: + FPReg = AArch64::D3; + break; + } + if (FPReg) { + RegsToPass.emplace_back(FPReg, Arg); + RegsUsed.insert(FPReg); + } + } } } else { assert(VA.isMemLoc()); diff --git a/llvm/test/CodeGen/AArch64/arm64ec-exit-thunks.ll b/llvm/test/CodeGen/AArch64/arm64ec-exit-thunks.ll index 03ce3ca919a56..78b59cfa196d8 100644 --- a/llvm/test/CodeGen/AArch64/arm64ec-exit-thunks.ll +++ b/llvm/test/CodeGen/AArch64/arm64ec-exit-thunks.ll @@ -313,7 +313,11 @@ declare void @has_varargs(...) nounwind; ; CHECK-NEXT: mov x2, x5 ; CHECK-NEXT: bl "#memcpy" ; CHECK-NEXT: sub sp, sp, #32 +; CHECK-NEXT: fmov d0, x22 +; CHECK-NEXT: fmov d1, x21 ; CHECK-NEXT: mov x9, x26 +; CHECK-NEXT: fmov d2, x20 +; CHECK-NEXT: fmov d3, x19 ; CHECK-NEXT: mov x0, x22 ; CHECK-NEXT: mov x1, x21 ; CHECK-NEXT: mov x2, x20 @@ -391,7 +395,11 @@ declare [2 x i8] @has_varargs_small_struct(...) nounwind; ; CHECK-NEXT: mov x2, x5 ; CHECK-NEXT: bl "#memcpy" ; CHECK-NEXT: sub sp, sp, #32 +; CHECK-NEXT: fmov d0, x22 +; CHECK-NEXT: fmov d1, x21 ; CHECK-NEXT: mov x9, x26 +; CHECK-NEXT: fmov d2, x20 +; CHECK-NEXT: fmov d3, x19 ; CHECK-NEXT: mov x0, x22 ; CHECK-NEXT: mov x1, x21 ; CHECK-NEXT: mov x2, x20 @@ -566,7 +574,11 @@ declare void @has_varargs_sret(ptr sret([100 x i8]), ...) nounwind; ; CHECK-NEXT: mov x2, x4 ; CHECK-NEXT: bl "#memcpy" ; CHECK-NEXT: sub sp, sp, #32 +; CHECK-NEXT: fmov d0, x22 +; CHECK-NEXT: fmov d1, x21 ; CHECK-NEXT: mov x9, x26 +; CHECK-NEXT: fmov d2, x20 +; CHECK-NEXT: fmov d3, x19 ; CHECK-NEXT: mov x0, x22 ; CHECK-NEXT: mov x1, x21 ; CHECK-NEXT: mov x2, x20 `````````` </details> https://github.com/llvm/llvm-project/pull/210315 _______________________________________________ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
