Add support for calls through function pointers in the 64-bit PowerPC SVR4 ABI.
Patch contributed by Ken Werner of IBM!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91680 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCInstr64Bit.td b/lib/Target/PowerPC/PPCInstr64Bit.td
index ebdc58b..219efb9 100644
--- a/lib/Target/PowerPC/PPCInstr64Bit.td
+++ b/lib/Target/PowerPC/PPCInstr64Bit.td
@@ -559,6 +559,14 @@
"ld $rD, $disp($reg)", LdStLD,
[(set G8RC:$rD,
(PPCtoc_entry tglobaladdr:$disp, G8RC:$reg))]>, isPPC64;
+let RST = 2, DS = 8 in
+def LDinto_toc: DSForm_1<58, 0, (outs), (ins G8RC:$reg),
+ "ld 2, 8($reg)", LdStLD,
+ [(PPCload_toc G8RC:$reg)]>, isPPC64;
+let RST = 2, DS = 40, RA = 1 in
+def LDtoc_restore : DSForm_1<58, 0, (outs), (ins),
+ "ld 2, 40(1)", LdStLD,
+ []>, isPPC64;
def LDX : XForm_1<31, 21, (outs G8RC:$rD), (ins memrr:$src),
"ldx $rD, $src", LdStLD,
[(set G8RC:$rD, (load xaddr:$src))]>, isPPC64;
@@ -571,6 +579,13 @@
}
+def : Pat<(PPCtoc_restore),
+ (LDtoc_restore)>;
+def : Pat<(PPCload ixaddr:$src),
+ (LD ixaddr:$src)>;
+def : Pat<(PPCload xaddr:$src),
+ (LDX xaddr:$src)>;
+
let PPC970_Unit = 2 in {
// Truncating stores.
def STB8 : DForm_1<38, (outs), (ins G8RC:$rS, memri:$src),