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add support for encoding the lo14 forms used for a few PPC64 addressing

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modes.  For example, we now get:

	ld r3, lo16(_G)(r3)             ; encoding: [0xe8,0x63,A,0bAAAAAA00]
                                        ;   fixup A - offset: 0, value: lo16(_G), kind: fixup_ppc_lo14



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119133 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-11-15 08:02:41 +00:00
parent f3b6e06679
commit 17e2c18835
5 changed files with 45 additions and 25 deletions
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9
lib/Target/PowerPC/PPCInstr64Bit.td
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@@ -552,12 +552,13 @@ def LDtoc: Pseudo<(outs G8RC:$rD), (ins tocentry:$disp, G8RC:$reg),
"",
[(set G8RC:$rD,
(PPCtoc_entry tglobaladdr:$disp, G8RC:$reg))]>, isPPC64;
let RST = 2, DS = 8 in
let RST = 2, DS_RA = 0 in // FIXME: Should be a pseudo.
def LDinto_toc: DSForm_1<58, 0, (outs), (ins G8RC:$reg),
"ld 2, 8($reg)", LdStLD,
[(PPCload_toc G8RC:$reg)]>, isPPC64;
let RST = 2, DS = 40, RA = 1 in
let RST = 2, DS_RA = 0 in // FIXME: Should be a pseudo.
def LDtoc_restore : DSForm_1<58, 0, (outs), (ins),
"ld 2, 40(1)", LdStLD,
[(PPCtoc_restore)]>, isPPC64;
@@ -628,8 +629,8 @@ def STHU8 : DForm_1<45, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
iaddroff:$ptroff))]>,
RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
def STDU : DSForm_1<62, 1, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
s16immX4:$ptroff, ptr_rc:$ptrreg),
def STDU : DSForm_1a<62, 1, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
s16immX4:$ptroff, ptr_rc:$ptrreg),
"stdu $rS, $ptroff($ptrreg)", LdStSTD,
[(set ptr_rc:$ea_res, (pre_store G8RC:$rS, ptr_rc:$ptrreg,
iaddroff:$ptroff))]>,