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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-04-19 11:50:36 +0200 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-05-16 16:30:29 -0700 |
| commit | 37e523f04b09f2e653629ac16206512d8a5ebc85 (patch) | |
| tree | 82dc7fbd5942c2cff541ec913033a27052d2c81a | |
| parent | 1bac4697199dd9aa5d8d0e3c56d0ea52b2bd0fa1 (diff) | |
| download | qemu-37e523f04b09f2e653629ac16206512d8a5ebc85.tar.gz | |
tcg/riscv: Use atom_and_align_for_opc
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | tcg/riscv/tcg-target.c.inc | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index 37870c89fc..1fc1a9199b 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -910,8 +910,11 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, { TCGLabelQemuLdst *ldst = NULL; MemOp opc = get_memop(oi); - unsigned a_bits = get_alignment_bits(opc); - unsigned a_mask = (1u << a_bits) - 1; + TCGAtomAlign aa; + unsigned a_mask; + + aa = atom_and_align_for_opc(s, opc, MO_ATOM_IFALIGN, false); + a_mask = (1u << aa.align) - 1; #ifdef CONFIG_SOFTMMU unsigned s_bits = opc & MO_SIZE; @@ -944,7 +947,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, * cross pages using the address of the last byte of the access. */ addr_adj = addr_reg; - if (a_bits < s_bits) { + if (a_mask < s_mask) { addr_adj = TCG_REG_TMP0; tcg_out_opc_imm(s, TARGET_LONG_BITS == 32 ? OPC_ADDIW : OPC_ADDI, addr_adj, addr_reg, s_mask - a_mask); @@ -983,8 +986,8 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, TCGReg *pbase, ldst->oi = oi; ldst->addrlo_reg = addr_reg; - /* We are expecting a_bits max 7, so we can always use andi. */ - tcg_debug_assert(a_bits < 12); + /* We are expecting alignment max 7, so we can always use andi. */ + tcg_debug_assert(a_mask == sextreg(a_mask, 0, 12)); tcg_out_opc_imm(s, OPC_ANDI, TCG_REG_TMP1, addr_reg, a_mask); ldst->label_ptr[0] = s->code_ptr; |