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authorJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-12 12:40:08 +0800
committerJiaxun Yang <jiaxun.yang@flygoat.com>2020-05-14 16:31:57 +0800
commit98620e3c1e67d60b4a338ba7fe2fa1fd885357b6 (patch)
tree5fb70107a9a1d038ea3a8896ca4f8b63ca61ec20 /js/src/jit/mips32/MacroAssembler-mips32.cpp
parent6b56185c0b77cb4b3756fdd4b517b74c77c90afc (diff)
downloaduxp-98620e3c1e67d60b4a338ba7fe2fa1fd885357b6.tar.gz
Bug 1271968 - IonMonkey: MIPS: Merge MacroAssembler::branchWithCode.
Tag: #1542
Diffstat (limited to 'js/src/jit/mips32/MacroAssembler-mips32.cpp')
-rw-r--r--js/src/jit/mips32/MacroAssembler-mips32.cpp59
1 files changed, 0 insertions, 59 deletions
diff --git a/js/src/jit/mips32/MacroAssembler-mips32.cpp b/js/src/jit/mips32/MacroAssembler-mips32.cpp
index 5b9b835ce5..46e52f1328 100644
--- a/js/src/jit/mips32/MacroAssembler-mips32.cpp
+++ b/js/src/jit/mips32/MacroAssembler-mips32.cpp
@@ -504,65 +504,6 @@ MacroAssemblerMIPS::ma_b(Address addr, ImmGCPtr imm, Label* label, Condition c,
}
void
-MacroAssemblerMIPS::branchWithCode(InstImm code, Label* label, JumpKind jumpKind)
-{
- MOZ_ASSERT(code.encode() != InstImm(op_regimm, zero, rt_bgezal, BOffImm16(0)).encode());
- InstImm inst_beq = InstImm(op_beq, zero, zero, BOffImm16(0));
-
- if (label->bound()) {
- int32_t offset = label->offset() - m_buffer.nextOffset().getOffset();
-
- if (BOffImm16::IsInRange(offset))
- jumpKind = ShortJump;
-
- if (jumpKind == ShortJump) {
- MOZ_ASSERT(BOffImm16::IsInRange(offset));
- code.setBOffImm16(BOffImm16(offset));
- writeInst(code.encode());
- as_nop();
- return;
- }
-
- if (code.encode() == inst_beq.encode()) {
- // Handle mixed jump
- addMixedJump(nextOffset(), ImmPtr((void*)label->offset()));
- as_j(JOffImm26(0));
- as_nop();
- return;
- }
-
- // Handle long conditional branch
- writeInst(invertBranch(code, BOffImm16(4 * sizeof(uint32_t))).encode());
- as_nop();
- addMixedJump(nextOffset(), ImmPtr((void*)label->offset()));
- as_j(JOffImm26(0));
- as_nop();
- return;
- }
-
- // Generate open jump and link it to a label.
-
- // Second word holds a pointer to the next branch in label's chain.
- uint32_t nextInChain = label->used() ? label->offset() : LabelBase::INVALID_OFFSET;
-
- // Make the whole branch continous in the buffer.
- m_buffer.ensureSpace(4 * sizeof(uint32_t));
-
- if (jumpKind == ShortJump) {
- // Indicate that this is short jump with offset 4.
- code.setBOffImm16(BOffImm16(4));
- }
- BufferOffset bo = writeInst(code.encode());
- writeInst(nextInChain);
- if (!oom())
- label->use(bo.getOffset());
- if (jumpKind != ShortJump && code.encode() != inst_beq.encode()) {
- as_nop();
- as_nop();
- }
-}
-
-void
MacroAssemblerMIPS::ma_cmp_set(Register rd, Register rs, Address addr, Condition c)
{
ma_lw(ScratchRegister, addr);