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convert over bform and iform instructions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21349 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-04-19 05:00:59 +00:00
parent 57226fbc7b
commit a611ab72ca
2 changed files with 17 additions and 17 deletions
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12
lib/Target/PowerPC/PPCInstrFormats.td
View File

@ -57,8 +57,8 @@ class I<bits<6> opcode, bit ppc64, bit vmx, dag OL, string asmstr>
}
// 1.7.1 I-Form
class IForm<bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx,
dag OL, string asmstr> : I<opcode, ppc64, vmx, OL, asmstr> {
class IForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr>
: I<opcode, 0, 0, OL, asmstr> {
bits<24> LI;
let Inst{6-29} = LI;
@ -67,8 +67,8 @@ class IForm<bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx,
}
// 1.7.2 B-Form
class BForm<bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx,
dag OL, string asmstr> : I<opcode, ppc64, vmx, OL, asmstr> {
class BForm<bits<6> opcode, bit aa, bit lk,
dag OL, string asmstr> : I<opcode, 0, 0, OL, asmstr> {
bits<5> BO;
bits<3> CRNum;
bits<2> BICode;
@ -83,8 +83,8 @@ class BForm<bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx,
}
class BForm_ext<bits<6> opcode, bit aa, bit lk, bits<5> bo, bits<2> bicode,
bit ppc64, bit vmx, dag OL, string asmstr>
: BForm<opcode, aa, lk, ppc64, vmx, OL, asmstr> {
dag OL, string asmstr>
: BForm<opcode, aa, lk, OL, asmstr> {
let BO = bo;
let BICode = bicode;
}

22
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -65,24 +65,24 @@ let Defs = [LR] in
let isBranch = 1, isTerminator = 1 in {
def COND_BRANCH : Pseudo<(ops), "; COND_BRANCH">;
def B : IForm<18, 0, 0, 0, 0, (ops target:$func), "b $func">;
//def BA : IForm<18, 1, 0, 0, 0, (ops target:$func), "ba $func">;
def BL : IForm<18, 0, 1, 0, 0, (ops target:$func), "bl $func">;
//def BLA : IForm<18, 1, 1, 0, 0, (ops target:$func), "bla $func">;
def B : IForm<18, 0, 0, (ops target:$func), "b $func">;
//def BA : IForm<18, 1, 0, (ops target:$func), "ba $func">;
def BL : IForm<18, 0, 1, (ops target:$func), "bl $func">;
//def BLA : IForm<18, 1, 1, (ops target:$func), "bla $func">;
// FIXME: 4*CR# needs to be added to the BI field!
// This will only work for CR0 as it stands now
def BLT : BForm_ext<16, 0, 0, 12, 0, 0, 0, (ops CRRC:$crS, target:$block),
def BLT : BForm_ext<16, 0, 0, 12, 0, (ops CRRC:$crS, target:$block),
"blt $block">;
def BLE : BForm_ext<16, 0, 0, 4, 1, 0, 0, (ops CRRC:$crS, target:$block),
def BLE : BForm_ext<16, 0, 0, 4, 1, (ops CRRC:$crS, target:$block),
"ble $block">;
def BEQ : BForm_ext<16, 0, 0, 12, 2, 0, 0, (ops CRRC:$crS, target:$block),
def BEQ : BForm_ext<16, 0, 0, 12, 2, (ops CRRC:$crS, target:$block),
"beq $block">;
def BGE : BForm_ext<16, 0, 0, 4, 0, 0, 0, (ops CRRC:$crS, target:$block),
def BGE : BForm_ext<16, 0, 0, 4, 0, (ops CRRC:$crS, target:$block),
"bge $block">;
def BGT : BForm_ext<16, 0, 0, 12, 1, 0, 0, (ops CRRC:$crS, target:$block),
def BGT : BForm_ext<16, 0, 0, 12, 1, (ops CRRC:$crS, target:$block),
"bgt $block">;
def BNE : BForm_ext<16, 0, 0, 4, 2, 0, 0, (ops CRRC:$crS, target:$block),
def BNE : BForm_ext<16, 0, 0, 4, 2, (ops CRRC:$crS, target:$block),
"bne $block">;
}
@ -93,7 +93,7 @@ let isBranch = 1, isTerminator = 1, isCall = 1,
LR,XER,CTR,
CR0,CR1,CR5,CR6,CR7] in {
// Convenient aliases for call instructions
def CALLpcrel : IForm<18, 0, 1, 0, 0, (ops target:$func), "bl $func">;
def CALLpcrel : IForm<18, 0, 1, (ops target:$func), "bl $func">;
def CALLindirect : XLForm_2_ext<19, 528, 20, 0, 1, (ops), "bctrl">;
}