diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 172f33e9019..84d824d8a0c 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -365,10 +365,18 @@ let isBranch = 1, isTerminator = 1, noResults = 1 in class IBr<bits<8> opcode, dag ops, string asm, list<dag> pattern> : I<opcode, RawFrm, ops, asm, pattern>; -// Conditional branches +// Indirect branches let isBarrier = 1 in def JMP : IBr<0xE9, (ops brtarget:$dst), "jmp $dst", [(br bb:$dst)]>; +let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in { + def JMP32r : I<0xFF, MRM4r, (ops R32:$dst), "jmp{l} {*}$dst", + [(brind R32:$dst)]>; + def JMP32m : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp{l} {*}$dst", + [(brind (loadi32 addr:$dst))]>; +} + +// Conditional branches def JE : IBr<0x84, (ops brtarget:$dst), "je $dst", [(X86brcond bb:$dst, X86_COND_E)]>, TB; def JNE : IBr<0x85, (ops brtarget:$dst), "jne $dst", @@ -2302,16 +2310,20 @@ def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id), // ConstantPool GlobalAddress, ExternalSymbol def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>; +def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>; def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>; def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>; def : Pat<(add R32:$src1, (X86Wrapper tconstpool:$src2)), (ADD32ri R32:$src1, tconstpool:$src2)>; +def : Pat<(add R32:$src1, (X86Wrapper tjumptable:$src2)), + (ADD32ri R32:$src1, tjumptable:$src2)>; def : Pat<(add R32:$src1, (X86Wrapper tglobaladdr :$src2)), (ADD32ri R32:$src1, tglobaladdr:$src2)>; def : Pat<(add R32:$src1, (X86Wrapper texternalsym:$src2)), (ADD32ri R32:$src1, texternalsym:$src2)>; +// FIXME: can you really ever store to a constant pool? def : Pat<(store (X86Wrapper tconstpool:$src), addr:$dst), (MOV32mi addr:$dst, tconstpool:$src)>; def : Pat<(store (X86Wrapper tglobaladdr:$src), addr:$dst), |
