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[71.212.39.66]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7326a38ff76sm4347164b3a.160.2025.02.17.11.30.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Feb 2025 11:30:14 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL v2 05/27] tcg/arm: Drop addrhi from prepare_host_addr Date: Mon, 17 Feb 2025 11:29:46 -0800 Message-ID: <20250217193009.2873875-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250217193009.2873875-1-richard.henderson@linaro.org> References: <20250217193009.2873875-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The guest address will now always be TCG_TYPE_I32. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/arm/tcg-target.c.inc | 73 +++++++++++++--------------------------- 1 file changed, 23 insertions(+), 50 deletions(-) diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index 05bb367a39..93a3ccaf66 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -676,14 +676,8 @@ static void tcg_out_ldrd_r(TCGContext *s, ARMCond cond, TCGReg rt, tcg_out_memop_r(s, cond, INSN_LDRD_REG, rt, rn, rm, 1, 1, 0); } -static void __attribute__((unused)) -tcg_out_ldrd_rwb(TCGContext *s, ARMCond cond, TCGReg rt, TCGReg rn, TCGReg rm) -{ - tcg_out_memop_r(s, cond, INSN_LDRD_REG, rt, rn, rm, 1, 1, 1); -} - -static void __attribute__((unused)) -tcg_out_strd_8(TCGContext *s, ARMCond cond, TCGReg rt, TCGReg rn, int imm8) +static void tcg_out_strd_8(TCGContext *s, ARMCond cond, TCGReg rt, + TCGReg rn, int imm8) { tcg_out_memop_8(s, cond, INSN_STRD_IMM, rt, rn, imm8, 1, 0); } @@ -1455,8 +1449,7 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb) #define MIN_TLB_MASK_TABLE_OFS -256 static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, - TCGReg addrlo, TCGReg addrhi, - MemOpIdx oi, bool is_ld) + TCGReg addr, MemOpIdx oi, bool is_ld) { TCGLabelQemuLdst *ldst = NULL; MemOp opc = get_memop(oi); @@ -1465,14 +1458,14 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, if (tcg_use_softmmu) { *h = (HostAddress){ .cond = COND_AL, - .base = addrlo, + .base = addr, .index = TCG_REG_R1, .index_scratch = true, }; } else { *h = (HostAddress){ .cond = COND_AL, - .base = addrlo, + .base = addr, .index = guest_base ? TCG_REG_GUEST_BASE : -1, .index_scratch = false, }; @@ -1492,8 +1485,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, ldst = new_ldst_label(s); ldst->is_ld = is_ld; ldst->oi = oi; - ldst->addrlo_reg = addrlo; - ldst->addrhi_reg = addrhi; + ldst->addrlo_reg = addr; /* Load cpu->neg.tlb.f[mmu_idx].{mask,table} into {r0,r1}. */ QEMU_BUILD_BUG_ON(offsetof(CPUTLBDescFast, mask) != 0); @@ -1501,30 +1493,20 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, tcg_out_ldrd_8(s, COND_AL, TCG_REG_R0, TCG_AREG0, fast_off); /* Extract the tlb index from the address into R0. */ - tcg_out_dat_reg(s, COND_AL, ARITH_AND, TCG_REG_R0, TCG_REG_R0, addrlo, + tcg_out_dat_reg(s, COND_AL, ARITH_AND, TCG_REG_R0, TCG_REG_R0, addr, SHIFT_IMM_LSR(s->page_bits - CPU_TLB_ENTRY_BITS)); /* * Add the tlb_table pointer, creating the CPUTLBEntry address in R1. - * Load the tlb comparator into R2/R3 and the fast path addend into R1. + * Load the tlb comparator into R2 and the fast path addend into R1. */ QEMU_BUILD_BUG_ON(HOST_BIG_ENDIAN); if (cmp_off == 0) { - if (s->addr_type == TCG_TYPE_I32) { - tcg_out_ld32_rwb(s, COND_AL, TCG_REG_R2, - TCG_REG_R1, TCG_REG_R0); - } else { - tcg_out_ldrd_rwb(s, COND_AL, TCG_REG_R2, - TCG_REG_R1, TCG_REG_R0); - } + tcg_out_ld32_rwb(s, COND_AL, TCG_REG_R2, TCG_REG_R1, TCG_REG_R0); } else { tcg_out_dat_reg(s, COND_AL, ARITH_ADD, TCG_REG_R1, TCG_REG_R1, TCG_REG_R0, 0); - if (s->addr_type == TCG_TYPE_I32) { - tcg_out_ld32_12(s, COND_AL, TCG_REG_R2, TCG_REG_R1, cmp_off); - } else { - tcg_out_ldrd_8(s, COND_AL, TCG_REG_R2, TCG_REG_R1, cmp_off); - } + tcg_out_ld32_12(s, COND_AL, TCG_REG_R2, TCG_REG_R1, cmp_off); } /* Load the tlb addend. */ @@ -1543,11 +1525,11 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, * This leaves the least significant alignment bits unchanged, and of * course must be zero. */ - t_addr = addrlo; + t_addr = addr; if (a_mask < s_mask) { t_addr = TCG_REG_R0; tcg_out_dat_imm(s, COND_AL, ARITH_ADD, t_addr, - addrlo, s_mask - a_mask); + addr, s_mask - a_mask); } if (use_armv7_instructions && s->page_bits <= 16) { tcg_out_movi32(s, COND_AL, TCG_REG_TMP, ~(s->page_mask | a_mask)); @@ -1558,7 +1540,7 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, } else { if (a_mask) { tcg_debug_assert(a_mask <= 0xff); - tcg_out_dat_imm(s, COND_AL, ARITH_TST, 0, addrlo, a_mask); + tcg_out_dat_imm(s, COND_AL, ARITH_TST, 0, addr, a_mask); } tcg_out_dat_reg(s, COND_AL, ARITH_MOV, TCG_REG_TMP, 0, t_addr, SHIFT_IMM_LSR(s->page_bits)); @@ -1566,21 +1548,16 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, 0, TCG_REG_R2, TCG_REG_TMP, SHIFT_IMM_LSL(s->page_bits)); } - - if (s->addr_type != TCG_TYPE_I32) { - tcg_out_dat_reg(s, COND_EQ, ARITH_CMP, 0, TCG_REG_R3, addrhi, 0); - } } else if (a_mask) { ldst = new_ldst_label(s); ldst->is_ld = is_ld; ldst->oi = oi; - ldst->addrlo_reg = addrlo; - ldst->addrhi_reg = addrhi; + ldst->addrlo_reg = addr; /* We are expecting alignment to max out at 7 */ tcg_debug_assert(a_mask <= 0xff); /* tst addr, #mask */ - tcg_out_dat_imm(s, COND_AL, ARITH_TST, 0, addrlo, a_mask); + tcg_out_dat_imm(s, COND_AL, ARITH_TST, 0, addr, a_mask); } return ldst; @@ -1678,14 +1655,13 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, MemOp opc, TCGReg datalo, } static void tcg_out_qemu_ld(TCGContext *s, TCGReg datalo, TCGReg datahi, - TCGReg addrlo, TCGReg addrhi, - MemOpIdx oi, TCGType data_type) + TCGReg addr, MemOpIdx oi, TCGType data_type) { MemOp opc = get_memop(oi); TCGLabelQemuLdst *ldst; HostAddress h; - ldst = prepare_host_addr(s, &h, addrlo, addrhi, oi, true); + ldst = prepare_host_addr(s, &h, addr, oi, true); if (ldst) { ldst->type = data_type; ldst->datalo_reg = datalo; @@ -1764,14 +1740,13 @@ static void tcg_out_qemu_st_direct(TCGContext *s, MemOp opc, TCGReg datalo, } static void tcg_out_qemu_st(TCGContext *s, TCGReg datalo, TCGReg datahi, - TCGReg addrlo, TCGReg addrhi, - MemOpIdx oi, TCGType data_type) + TCGReg addr, MemOpIdx oi, TCGType data_type) { MemOp opc = get_memop(oi); TCGLabelQemuLdst *ldst; HostAddress h; - ldst = prepare_host_addr(s, &h, addrlo, addrhi, oi, false); + ldst = prepare_host_addr(s, &h, addr, oi, false); if (ldst) { ldst->type = data_type; ldst->datalo_reg = datalo; @@ -2072,19 +2047,17 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type, break; case INDEX_op_qemu_ld_i32: - tcg_out_qemu_ld(s, args[0], -1, args[1], -1, args[2], TCG_TYPE_I32); + tcg_out_qemu_ld(s, args[0], -1, args[1], args[2], TCG_TYPE_I32); break; case INDEX_op_qemu_ld_i64: - tcg_out_qemu_ld(s, args[0], args[1], args[2], -1, - args[3], TCG_TYPE_I64); + tcg_out_qemu_ld(s, args[0], args[1], args[2], args[3], TCG_TYPE_I64); break; case INDEX_op_qemu_st_i32: - tcg_out_qemu_st(s, args[0], -1, args[1], -1, args[2], TCG_TYPE_I32); + tcg_out_qemu_st(s, args[0], -1, args[1], args[2], TCG_TYPE_I32); break; case INDEX_op_qemu_st_i64: - tcg_out_qemu_st(s, args[0], args[1], args[2], -1, - args[3], TCG_TYPE_I64); + tcg_out_qemu_st(s, args[0], args[1], args[2], args[3], TCG_TYPE_I64); break; case INDEX_op_bswap16_i32: