tcg-op.c (35c653c4029794f67a523191941104fe12f2b22d) tcg-op.c (7b8801071951c55dc506c1fca8b40ba292a28d6e)
1/*
2 * Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

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2954 MemOp orig_memop;
2955 MemOpIdx oi;
2956
2957 tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
2958 memop = tcg_canonicalize_memop(memop, 0, 0);
2959 oi = make_memop_idx(memop, idx);
2960
2961 orig_memop = memop;
1/*
2 * Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

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2954 MemOp orig_memop;
2955 MemOpIdx oi;
2956
2957 tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
2958 memop = tcg_canonicalize_memop(memop, 0, 0);
2959 oi = make_memop_idx(memop, idx);
2960
2961 orig_memop = memop;
2962 if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
2962 if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) {
2963 memop &= ~MO_BSWAP;
2964 /* The bswap primitive benefits from zero-extended input. */
2965 if ((memop & MO_SSIZE) == MO_SW) {
2966 memop &= ~MO_SIGN;
2967 }
2968 }
2969
2970 addr = plugin_prep_mem_callbacks(addr);

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2991{
2992 TCGv_i32 swap = NULL;
2993 MemOpIdx oi;
2994
2995 tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
2996 memop = tcg_canonicalize_memop(memop, 0, 1);
2997 oi = make_memop_idx(memop, idx);
2998
2963 memop &= ~MO_BSWAP;
2964 /* The bswap primitive benefits from zero-extended input. */
2965 if ((memop & MO_SSIZE) == MO_SW) {
2966 memop &= ~MO_SIGN;
2967 }
2968 }
2969
2970 addr = plugin_prep_mem_callbacks(addr);

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2991{
2992 TCGv_i32 swap = NULL;
2993 MemOpIdx oi;
2994
2995 tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
2996 memop = tcg_canonicalize_memop(memop, 0, 1);
2997 oi = make_memop_idx(memop, idx);
2998
2999 if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
2999 if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) {
3000 swap = tcg_temp_ebb_new_i32();
3001 switch (memop & MO_SIZE) {
3002 case MO_16:
3003 tcg_gen_bswap16_i32(swap, val, 0);
3004 break;
3005 case MO_32:
3006 tcg_gen_bswap32_i32(swap, val);
3007 break;

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3040 return;
3041 }
3042
3043 tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
3044 memop = tcg_canonicalize_memop(memop, 1, 0);
3045 oi = make_memop_idx(memop, idx);
3046
3047 orig_memop = memop;
3000 swap = tcg_temp_ebb_new_i32();
3001 switch (memop & MO_SIZE) {
3002 case MO_16:
3003 tcg_gen_bswap16_i32(swap, val, 0);
3004 break;
3005 case MO_32:
3006 tcg_gen_bswap32_i32(swap, val);
3007 break;

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3040 return;
3041 }
3042
3043 tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
3044 memop = tcg_canonicalize_memop(memop, 1, 0);
3045 oi = make_memop_idx(memop, idx);
3046
3047 orig_memop = memop;
3048 if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
3048 if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) {
3049 memop &= ~MO_BSWAP;
3050 /* The bswap primitive benefits from zero-extended input. */
3051 if ((memop & MO_SIGN) && (memop & MO_SIZE) < MO_64) {
3052 memop &= ~MO_SIGN;
3053 }
3054 }
3055
3056 addr = plugin_prep_mem_callbacks(addr);

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3086 tcg_gen_qemu_st_i32(TCGV_LOW(val), addr, idx, memop);
3087 return;
3088 }
3089
3090 tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
3091 memop = tcg_canonicalize_memop(memop, 1, 1);
3092 oi = make_memop_idx(memop, idx);
3093
3049 memop &= ~MO_BSWAP;
3050 /* The bswap primitive benefits from zero-extended input. */
3051 if ((memop & MO_SIGN) && (memop & MO_SIZE) < MO_64) {
3052 memop &= ~MO_SIGN;
3053 }
3054 }
3055
3056 addr = plugin_prep_mem_callbacks(addr);

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3086 tcg_gen_qemu_st_i32(TCGV_LOW(val), addr, idx, memop);
3087 return;
3088 }
3089
3090 tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
3091 memop = tcg_canonicalize_memop(memop, 1, 1);
3092 oi = make_memop_idx(memop, idx);
3093
3094 if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
3094 if ((memop & MO_BSWAP) && !tcg_target_has_memory_bswap(memop)) {
3095 swap = tcg_temp_ebb_new_i64();
3096 switch (memop & MO_SIZE) {
3097 case MO_16:
3098 tcg_gen_bswap16_i64(swap, val, 0);
3099 break;
3100 case MO_32:
3101 tcg_gen_bswap32_i64(swap, val, 0);
3102 break;

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3152
3153static void canonicalize_memop_i128_as_i64(MemOp ret[2], MemOp orig)
3154{
3155 MemOp mop_1 = orig, mop_2;
3156
3157 tcg_debug_assert((orig & MO_SIZE) == MO_128);
3158 tcg_debug_assert((orig & MO_SIGN) == 0);
3159
3095 swap = tcg_temp_ebb_new_i64();
3096 switch (memop & MO_SIZE) {
3097 case MO_16:
3098 tcg_gen_bswap16_i64(swap, val, 0);
3099 break;
3100 case MO_32:
3101 tcg_gen_bswap32_i64(swap, val, 0);
3102 break;

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3152
3153static void canonicalize_memop_i128_as_i64(MemOp ret[2], MemOp orig)
3154{
3155 MemOp mop_1 = orig, mop_2;
3156
3157 tcg_debug_assert((orig & MO_SIZE) == MO_128);
3158 tcg_debug_assert((orig & MO_SIGN) == 0);
3159
3160 /* Use a memory ordering implemented by the host. */
3161 if (!TCG_TARGET_HAS_MEMORY_BSWAP && (orig & MO_BSWAP)) {
3162 mop_1 &= ~MO_BSWAP;
3163 }
3164
3165 /* Reduce the size to 64-bit. */
3166 mop_1 = (mop_1 & ~MO_SIZE) | MO_64;
3167
3168 /* Retain the alignment constraints of the original. */
3169 switch (orig & MO_AMASK) {
3170 case MO_UNALN:
3171 case MO_ALIGN_2:
3172 case MO_ALIGN_4:

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3186 case MO_ALIGN_32:
3187 case MO_ALIGN_64:
3188 /* Second has 8-byte alignment; first retains original. */
3189 mop_2 = (mop_1 & ~MO_AMASK) | MO_ALIGN;
3190 break;
3191 default:
3192 g_assert_not_reached();
3193 }
3160 /* Reduce the size to 64-bit. */
3161 mop_1 = (mop_1 & ~MO_SIZE) | MO_64;
3162
3163 /* Retain the alignment constraints of the original. */
3164 switch (orig & MO_AMASK) {
3165 case MO_UNALN:
3166 case MO_ALIGN_2:
3167 case MO_ALIGN_4:

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3181 case MO_ALIGN_32:
3182 case MO_ALIGN_64:
3183 /* Second has 8-byte alignment; first retains original. */
3184 mop_2 = (mop_1 & ~MO_AMASK) | MO_ALIGN;
3185 break;
3186 default:
3187 g_assert_not_reached();
3188 }
3189
3190 /* Use a memory ordering implemented by the host. */
3191 if ((orig & MO_BSWAP) && !tcg_target_has_memory_bswap(mop_1)) {
3192 mop_1 &= ~MO_BSWAP;
3193 mop_2 &= ~MO_BSWAP;
3194 }
3195
3194 ret[0] = mop_1;
3195 ret[1] = mop_2;
3196}
3197
3198#if TARGET_LONG_BITS == 64
3199#define tcg_temp_ebb_new tcg_temp_ebb_new_i64
3200#else
3201#define tcg_temp_ebb_new tcg_temp_ebb_new_i32

--- 556 unchanged lines hidden --- 		3196 ret[0] = mop_1;
3197 ret[1] = mop_2;
3198}
3199
3200#if TARGET_LONG_BITS == 64
3201#define tcg_temp_ebb_new tcg_temp_ebb_new_i64
3202#else
3203#define tcg_temp_ebb_new tcg_temp_ebb_new_i32

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