tcg/mips: Remove retranslation code

There is no longer a need for preserving branch offset operands,
as we no longer re-translate.

Backports commit 8c1b079279fadaee10dc39ca9a58c4c91c7a1854 from qemu
This commit is contained in:
Richard Henderson 2018-12-18 05:22:23 -05:00 committed by Lioncash
parent ad9aec6f35
commit 294573899f
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@ -483,12 +483,7 @@ static inline void tcg_out_opc_bf64(TCGContext *s, MIPSInsn opc, MIPSInsn opm,
static inline void tcg_out_opc_br(TCGContext *s, MIPSInsn opc,
TCGReg rt, TCGReg rs)
{
/* We pay attention here to not modify the branch target by reading
the existing value and using it again. This ensure that caches and
memory are kept coherent during retranslation. */
uint16_t offset = (uint16_t)*s->code_ptr;
tcg_out_opc_imm(s, opc, rt, rs, offset);
tcg_out_opc_imm(s, opc, rt, rs, 0);
}
/*