From 7f65be51b65ae9a4e65b3de233b5fa069c67faf6 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 21 Apr 2023 09:52:25 +0100 Subject: tcg/aarch64: Introduce HostAddress MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Collect the 3 potential parts of the host address into a struct. Reorg tcg_out_qemu_{ld,st}_direct to use it. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/aarch64/tcg-target.c.inc | 86 ++++++++++++++++++++++++++++++-------------- 1 file changed, 59 insertions(+), 27 deletions(-) (limited to 'tcg/aarch64') diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc index ecbf6564fc..d8d464e4a0 100644 --- a/tcg/aarch64/tcg-target.c.inc +++ b/tcg/aarch64/tcg-target.c.inc @@ -1587,6 +1587,12 @@ static void tcg_out_adr(TCGContext *s, TCGReg rd, const void *target) tcg_out_insn(s, 3406, ADR, rd, offset); } +typedef struct { + TCGReg base; + TCGReg index; + TCGType index_ext; +} HostAddress; + #ifdef CONFIG_SOFTMMU /* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr, * MemOpIdx oi, uintptr_t ra) @@ -1796,32 +1802,31 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) #endif /* CONFIG_SOFTMMU */ static void tcg_out_qemu_ld_direct(TCGContext *s, MemOp memop, TCGType ext, - TCGReg data_r, TCGReg addr_r, - TCGType otype, TCGReg off_r) + TCGReg data_r, HostAddress h) { switch (memop & MO_SSIZE) { case MO_UB: - tcg_out_ldst_r(s, I3312_LDRB, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_LDRB, data_r, h.base, h.index_ext, h.index); break; case MO_SB: tcg_out_ldst_r(s, ext ? I3312_LDRSBX : I3312_LDRSBW, - data_r, addr_r, otype, off_r); + data_r, h.base, h.index_ext, h.index); break; case MO_UW: - tcg_out_ldst_r(s, I3312_LDRH, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_LDRH, data_r, h.base, h.index_ext, h.index); break; case MO_SW: tcg_out_ldst_r(s, (ext ? I3312_LDRSHX : I3312_LDRSHW), - data_r, addr_r, otype, off_r); + data_r, h.base, h.index_ext, h.index); break; case MO_UL: - tcg_out_ldst_r(s, I3312_LDRW, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_LDRW, data_r, h.base, h.index_ext, h.index); break; case MO_SL: - tcg_out_ldst_r(s, I3312_LDRSWX, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_LDRSWX, data_r, h.base, h.index_ext, h.index); break; case MO_UQ: - tcg_out_ldst_r(s, I3312_LDRX, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_LDRX, data_r, h.base, h.index_ext, h.index); break; default: g_assert_not_reached(); @@ -1829,21 +1834,20 @@ static void tcg_out_qemu_ld_direct(TCGContext *s, MemOp memop, TCGType ext, } static void tcg_out_qemu_st_direct(TCGContext *s, MemOp memop, - TCGReg data_r, TCGReg addr_r, - TCGType otype, TCGReg off_r) + TCGReg data_r, HostAddress h) { switch (memop & MO_SIZE) { case MO_8: - tcg_out_ldst_r(s, I3312_STRB, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_STRB, data_r, h.base, h.index_ext, h.index); break; case MO_16: - tcg_out_ldst_r(s, I3312_STRH, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_STRH, data_r, h.base, h.index_ext, h.index); break; case MO_32: - tcg_out_ldst_r(s, I3312_STRW, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_STRW, data_r, h.base, h.index_ext, h.index); break; case MO_64: - tcg_out_ldst_r(s, I3312_STRX, data_r, addr_r, otype, off_r); + tcg_out_ldst_r(s, I3312_STRX, data_r, h.base, h.index_ext, h.index); break; default: g_assert_not_reached(); @@ -1855,6 +1859,7 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, { MemOp memop = get_memop(oi); TCGType addr_type = TARGET_LONG_BITS == 64 ? TCG_TYPE_I64 : TCG_TYPE_I32; + HostAddress h; /* Byte swapping is left to middle-end expansion. */ tcg_debug_assert((memop & MO_BSWAP) == 0); @@ -1863,8 +1868,14 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, tcg_insn_unit *label_ptr; tcg_out_tlb_read(s, addr_reg, memop, &label_ptr, get_mmuidx(oi), 1); - tcg_out_qemu_ld_direct(s, memop, data_type, data_reg, - TCG_REG_X1, addr_type, addr_reg); + + h = (HostAddress){ + .base = TCG_REG_X1, + .index = addr_reg, + .index_ext = addr_type + }; + tcg_out_qemu_ld_direct(s, memop, data_type, data_reg, h); + add_qemu_ldst_label(s, true, oi, data_type, data_reg, addr_reg, s->code_ptr, label_ptr); #else /* !CONFIG_SOFTMMU */ @@ -1873,12 +1884,19 @@ static void tcg_out_qemu_ld(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, tcg_out_test_alignment(s, true, addr_reg, a_bits); } if (USE_GUEST_BASE) { - tcg_out_qemu_ld_direct(s, memop, data_type, data_reg, - TCG_REG_GUEST_BASE, addr_type, addr_reg); + h = (HostAddress){ + .base = TCG_REG_GUEST_BASE, + .index = addr_reg, + .index_ext = addr_type + }; } else { - tcg_out_qemu_ld_direct(s, memop, data_type, data_reg, - addr_reg, TCG_TYPE_I64, TCG_REG_XZR); + h = (HostAddress){ + .base = addr_reg, + .index = TCG_REG_XZR, + .index_ext = TCG_TYPE_I64 + }; } + tcg_out_qemu_ld_direct(s, memop, data_type, data_reg, h); #endif /* CONFIG_SOFTMMU */ } @@ -1887,6 +1905,7 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, { MemOp memop = get_memop(oi); TCGType addr_type = TARGET_LONG_BITS == 64 ? TCG_TYPE_I64 : TCG_TYPE_I32; + HostAddress h; /* Byte swapping is left to middle-end expansion. */ tcg_debug_assert((memop & MO_BSWAP) == 0); @@ -1895,8 +1914,14 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, tcg_insn_unit *label_ptr; tcg_out_tlb_read(s, addr_reg, memop, &label_ptr, get_mmuidx(oi), 0); - tcg_out_qemu_st_direct(s, memop, data_reg, - TCG_REG_X1, addr_type, addr_reg); + + h = (HostAddress){ + .base = TCG_REG_X1, + .index = addr_reg, + .index_ext = addr_type + }; + tcg_out_qemu_st_direct(s, memop, data_reg, h); + add_qemu_ldst_label(s, false, oi, data_type, data_reg, addr_reg, s->code_ptr, label_ptr); #else /* !CONFIG_SOFTMMU */ @@ -1905,12 +1930,19 @@ static void tcg_out_qemu_st(TCGContext *s, TCGReg data_reg, TCGReg addr_reg, tcg_out_test_alignment(s, false, addr_reg, a_bits); } if (USE_GUEST_BASE) { - tcg_out_qemu_st_direct(s, memop, data_reg, - TCG_REG_GUEST_BASE, addr_type, addr_reg); + h = (HostAddress){ + .base = TCG_REG_GUEST_BASE, + .index = addr_reg, + .index_ext = addr_type + }; } else { - tcg_out_qemu_st_direct(s, memop, data_reg, - addr_reg, TCG_TYPE_I64, TCG_REG_XZR); + h = (HostAddress){ + .base = addr_reg, + .index = TCG_REG_XZR, + .index_ext = TCG_TYPE_I64 + }; } + tcg_out_qemu_st_direct(s, memop, data_reg, h); #endif /* CONFIG_SOFTMMU */ } -- cgit v1.2.3