diff options
Diffstat (limited to 'tcg/sparc/tcg-target.inc.c')
| -rw-r--r-- | tcg/sparc/tcg-target.inc.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c index 066cb0e892..10b1cea63b 100644 --- a/tcg/sparc/tcg-target.inc.c +++ b/tcg/sparc/tcg-target.inc.c @@ -1062,6 +1062,11 @@ static void tcg_out_nop_fill(tcg_insn_unit *p, int count) } #if defined(CONFIG_SOFTMMU) + +/* We expect to use a 13-bit negative offset from ENV. */ +QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) > 0); +QEMU_BUILD_BUG_ON(TLB_MASK_TABLE_OFS(0) < -(1 << 12)); + /* Perform the TLB load and compare. Inputs: @@ -1078,9 +1083,9 @@ static void tcg_out_nop_fill(tcg_insn_unit *p, int count) static TCGReg tcg_out_tlb_load(TCGContext *s, TCGReg addr, int mem_index, TCGMemOp opc, int which) { - int mask_off = offsetof(CPUArchState, tlb_.f[mem_index].mask); - int table_off = offsetof(CPUArchState, tlb_.f[mem_index].table); - TCGReg base = TCG_AREG0; + int fast_off = TLB_MASK_TABLE_OFS(mem_index); + int mask_off = fast_off + offsetof(CPUTLBDescFast, mask); + int table_off = fast_off + offsetof(CPUTLBDescFast, table); const TCGReg r0 = TCG_REG_O0; const TCGReg r1 = TCG_REG_O1; const TCGReg r2 = TCG_REG_O2; @@ -1088,26 +1093,9 @@ static TCGReg tcg_out_tlb_load(TCGContext *s, TCGReg addr, int mem_index, unsigned a_bits = get_alignment_bits(opc); tcg_target_long compare_mask; - if (!check_fit_i32(table_off, 13)) { - int table_hi; - - base = r1; - if (table_off <= 2 * 0xfff) { - table_hi = 0xfff; - tcg_out_arithi(s, base, TCG_AREG0, table_hi, ARITH_ADD); - } else { - table_hi = table_off & ~0x3ff; - tcg_out_sethi(s, base, table_hi); - tcg_out_arith(s, base, TCG_AREG0, base, ARITH_ADD); - } - mask_off -= table_hi; - table_off -= table_hi; - tcg_debug_assert(check_fit_i32(mask_off, 13)); - } - /* Load tlb_mask[mmu_idx] and tlb_table[mmu_idx]. */ - tcg_out_ld(s, TCG_TYPE_PTR, r0, base, mask_off); - tcg_out_ld(s, TCG_TYPE_PTR, r1, base, table_off); + tcg_out_ld(s, TCG_TYPE_PTR, r0, TCG_AREG0, mask_off); + tcg_out_ld(s, TCG_TYPE_PTR, r1, TCG_AREG0, table_off); /* Extract the page index, shifted into place for tlb index. */ tcg_out_arithi(s, r2, addr, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS, |