1 |
cebix |
1.1 |
#ifndef SPARC_ASSEMBLY__HEADER |
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#define SPARC_ASSEMBLY__HEADER |
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#ifdef SPARC_V8_ASSEMBLY |
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static inline char *str_flags(void) |
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{ |
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static char str[8]; |
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sprintf(str, "%c%c%c%c%c", |
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GET_XFLG ? 'X' : '-', |
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GET_NFLG ? 'N' : '-', |
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GET_ZFLG ? 'Z' : '-', |
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GET_VFLG ? 'V' : '-', |
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GET_CFLG ? 'C' : '-' |
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); |
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return str; |
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} |
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static inline uae_u32 sparc_v8_flag_add_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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uae_u32 value; |
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__asm__ ("\n" |
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" sll %2, 24, %%o0\n" |
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" sll %3, 24, %%o1\n" |
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" addcc %%o0, %%o1, %%o0\n" |
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" addx %%g0, %%g0, %%o1 ! X,C flags\n" |
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" srl %%o0, 24, %0\n" |
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" stb %%o1, [%1 + 1]\n" |
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" bl,a .+8\n" |
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" or %%o1, 0x08, %%o1 ! N flag\n" |
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" bz,a .+8\n" |
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" or %%o1, 0x04, %%o1 ! Z flag\n" |
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" bvs,a .+8\n" |
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" or %%o1, 0x02, %%o1 ! V flag\n" |
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" stb %%o1, [%1]\n" |
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: "=&r" (value) |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0", "o1" |
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); |
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return value; |
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} |
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static inline uae_u32 sparc_v8_flag_add_16(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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uae_u32 value; |
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__asm__ ("\n" |
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" sll %2, 16, %%o0\n" |
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" sll %3, 16, %%o1\n" |
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" addcc %%o0, %%o1, %%o0\n" |
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" addx %%g0, %%g0, %%o1 ! X,C flags\n" |
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" srl %%o0, 16, %0\n" |
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" stb %%o1, [%1 + 1]\n" |
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" bl,a .+8\n" |
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" or %%o1, 0x08, %%o1 ! N flag\n" |
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" bz,a .+8\n" |
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" or %%o1, 0x04, %%o1 ! Z flag\n" |
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" bvs,a .+8\n" |
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" or %%o1, 0x02, %%o1 ! V flag\n" |
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" stb %%o1, [%1]\n" |
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: "=&r" (value) |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0", "o1" |
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); |
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return value; |
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} |
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static inline uae_u32 sparc_v8_flag_add_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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uae_u32 value; |
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__asm__ ("\n" |
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" addcc %2, %3, %0\n" |
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" addx %%g0, %%g0, %%o0 ! X,C flags\n" |
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" stb %%o0, [%1 + 1]\n" |
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" bl,a .+8\n" |
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" or %%o0, 0x08, %%o0 ! N flag\n" |
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" bz,a .+8\n" |
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" or %%o0, 0x04, %%o0 ! Z flag\n" |
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" bvs,a .+8\n" |
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" or %%o0, 0x02, %%o0 ! V flag\n" |
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" stb %%o0, [%1]\n" |
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: "=&r" (value) |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0" |
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); |
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return value; |
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} |
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static inline uae_u32 sparc_v8_flag_sub_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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uae_u32 value; |
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__asm__ ("\n" |
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" sll %2, 24, %%o0\n" |
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" sll %3, 24, %%o1\n" |
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" subcc %%o0, %%o1, %%o0\n" |
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" addx %%g0, %%g0, %%o1 ! X,C flags\n" |
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" srl %%o0, 24, %0\n" |
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" stb %%o1, [%1 + 1]\n" |
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" bl,a .+8\n" |
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" or %%o1, 0x08, %%o1 ! N flag\n" |
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" bz,a .+8\n" |
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" or %%o1, 0x04, %%o1 ! Z flag\n" |
102 |
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" bvs,a .+8\n" |
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" or %%o1, 0x02, %%o1 ! V flag\n" |
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" stb %%o1, [%1]\n" |
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: "=&r" (value) |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0", "o1" |
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); |
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return value; |
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} |
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static inline uae_u32 sparc_v8_flag_sub_16(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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uae_u32 value; |
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__asm__ ("\n" |
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" sll %2, 16, %%o0\n" |
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" sll %3, 16, %%o1\n" |
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" subcc %%o0, %%o1, %%o0\n" |
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" addx %%g0, %%g0, %%o1 ! X,C flags\n" |
120 |
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" srl %%o0, 16, %0\n" |
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" stb %%o1, [%1 + 1]\n" |
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" bl,a .+8\n" |
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" or %%o1, 0x08, %%o1 ! N flag\n" |
124 |
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" bz,a .+8\n" |
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" or %%o1, 0x04, %%o1 ! Z flag\n" |
126 |
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" bvs,a .+8\n" |
127 |
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" or %%o1, 0x02, %%o1 ! V flag\n" |
128 |
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" stb %%o1, [%1]\n" |
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: "=&r" (value) |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0", "o1" |
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); |
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return value; |
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} |
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static inline uae_u32 sparc_v8_flag_sub_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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uae_u32 value; |
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__asm__ ("\n" |
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" subcc %2, %3, %0\n" |
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" addx %%g0, %%g0, %%o0 ! X,C flags\n" |
142 |
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" stb %%o0, [%1 + 1]\n" |
143 |
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" bl,a .+8\n" |
144 |
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" or %%o0, 0x08, %%o0 ! N flag\n" |
145 |
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" bz,a .+8\n" |
146 |
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" or %%o0, 0x04, %%o0 ! Z flag\n" |
147 |
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" bvs,a .+8\n" |
148 |
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" or %%o0, 0x02, %%o0 ! V flag\n" |
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" stb %%o0, [%1]\n" |
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: "=&r" (value) |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0" |
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); |
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return value; |
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} |
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static inline void sparc_v8_flag_cmp_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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__asm__ ("\n" |
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" sll %1, 24, %%o0\n" |
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" sll %2, 24, %%o1\n" |
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" subcc %%o0, %%o1, %%g0\n" |
163 |
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" addx %%g0, %%g0, %%o0 ! C flag\n" |
164 |
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" bl,a .+8\n" |
165 |
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" or %%o0, 0x08, %%o0 ! N flag\n" |
166 |
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" bz,a .+8\n" |
167 |
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" or %%o0, 0x04, %%o0 ! Z flag\n" |
168 |
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" bvs,a .+8\n" |
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" or %%o0, 0x02, %%o0 ! V flag\n" |
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" stb %%o0, [%0]\n" |
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: /* no outputs */ |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0", "o1" |
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); |
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} |
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static inline void sparc_v8_flag_cmp_16(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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__asm__ ("\n" |
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" sll %1, 16, %%o0\n" |
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" sll %2, 16, %%o1\n" |
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" subcc %%o0, %%o1, %%g0\n" |
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" addx %%g0, %%g0, %%o0 ! C flag\n" |
184 |
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" bl,a .+8\n" |
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" or %%o0, 0x08, %%o0 ! N flag\n" |
186 |
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" bz,a .+8\n" |
187 |
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" or %%o0, 0x04, %%o0 ! Z flag\n" |
188 |
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" bvs,a .+8\n" |
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" or %%o0, 0x02, %%o0 ! V flag\n" |
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" stb %%o0, [%0]\n" |
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: /* no outputs */ |
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: "r" (flags), "r" (dst), "r" (src) |
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: "cc", "o0", "o1" |
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); |
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} |
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static inline void sparc_v8_flag_cmp_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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__asm__ ("\n" |
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" subcc %1, %2, %%o1\n" |
201 |
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" srl %%o1, 31, %%o0\n" |
202 |
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" sll %%o0, 3, %%o0\n" |
203 |
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" addx %%o0, %%g0, %%o0\n" |
204 |
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" bvs,a .+8\n" |
205 |
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" or %%o0, 0x02, %%o0\n" |
206 |
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" subcc %%g0, %%o1, %%g0\n" |
207 |
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" addx %%g0, 7, %%o1\n" |
208 |
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" and %%o1, 0x04, %%o1\n" |
209 |
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" or %%o0, %%o1, %%o0\n" |
210 |
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" stb %%o0, [%0]\n" |
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: /* no outputs */ |
212 |
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: "r" (flags), "r" (dst), "r" (src) |
213 |
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: "cc", "o0", "o1" |
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); |
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} |
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static inline uae_u32 sparc_v8_flag_addx_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
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{ |
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uae_u32 value; |
220 |
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__asm__ ("\n" |
221 |
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" ldub [%1 + 1], %%o1 ! Get the X Flag\n" |
222 |
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" subcc %%g0, %%o1, %%g0 ! Set the SPARC carry flag, if X set\n" |
223 |
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" addxcc %2, %3, %0\n" |
224 |
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: "=&r" (value) |
225 |
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: "r" (flags), "r" (dst), "r" (src) |
226 |
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: "cc", "o0", "o1" |
227 |
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); |
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return value; |
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} |
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231 |
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#if 0 |
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VERY SLOW... |
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static inline uae_u32 sparc_v8_flag_addx_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
234 |
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{ |
235 |
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uae_u32 value; |
236 |
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__asm__ ("\n" |
237 |
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" sll %2, 24, %%o0\n" |
238 |
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" sll %3, 24, %%o1\n" |
239 |
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" addcc %%o0, %%o1, %%o0\n" |
240 |
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" addx %%g0, %%g0, %%o1 ! X,C flags\n" |
241 |
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" bvs,a .+8\n" |
242 |
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" or %%o1, 0x02, %%o1 ! V flag\n" |
243 |
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" ldub [%1 + 1], %%o2\n" |
244 |
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" subcc %%g0, %%o2, %%g0\n" |
245 |
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" addx %%g0, %%g0, %%o2\n" |
246 |
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" sll %%o2, 24, %%o2\n" |
247 |
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" addcc %%o0, %%o2, %%o0\n" |
248 |
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" srl %%o0, 24, %0\n" |
249 |
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" addx %%g0, %%g0, %%o2\n" |
250 |
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" or %%o1, %%o2, %%o1 ! update X,C flags\n" |
251 |
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" bl,a .+8\n" |
252 |
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" or %%o1, 0x08, %%o1 ! N flag\n" |
253 |
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" ldub [%1], %%o0 ! retreive the old NZVC flags (XXX)\n" |
254 |
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" bvs,a .+8\n" |
255 |
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" or %%o1, 0x02, %%o1 ! update V flag\n" |
256 |
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" and %%o0, 0x04, %%o0 ! (XXX) but keep only Z flag\n" |
257 |
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" and %%o1, 1, %%o2 ! keep C flag in %%o2\n" |
258 |
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" bnz,a .+8\n" |
259 |
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" or %%g0, %%g0, %%o0 ! Z flag cleared if non-zero result\n" |
260 |
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" stb %%o2, [%1 + 1] ! store the X flag\n" |
261 |
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" or %%o1, %%o0, %%o1\n" |
262 |
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" stb %%o1, [%1]\n" |
263 |
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: "=&r" (value) |
264 |
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: "r" (flags), "r" (dst), "r" (src) |
265 |
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: "cc", "o0", "o1", "o2" |
266 |
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); |
267 |
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return value; |
268 |
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} |
269 |
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#endif |
270 |
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271 |
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static inline uae_u32 sparc_v8_flag_addx_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
272 |
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{ |
273 |
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uae_u32 value; |
274 |
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__asm__ ("\n" |
275 |
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" ldub [%1 + 1], %%o0 ! Get the X Flag\n" |
276 |
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" subcc %%g0, %%o0, %%g0 ! Set the SPARC carry flag, if X set\n" |
277 |
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" addxcc %2, %3, %0\n" |
278 |
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" ldub [%1], %%o0 ! retreive the old NZVC flags\n" |
279 |
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" and %%o0, 0x04, %%o0 ! but keep only Z flag\n" |
280 |
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" addx %%o0, %%g0, %%o0 ! X,C flags\n" |
281 |
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" bl,a .+8\n" |
282 |
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" or %%o0, 0x08, %%o0 ! N flag\n" |
283 |
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" bvs,a .+8\n" |
284 |
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" or %%o0, 0x02, %%o0 ! V flag\n" |
285 |
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" bnz,a .+8\n" |
286 |
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" and %%o0, 0x0B, %%o0 ! Z flag cleared if result is non-zero\n" |
287 |
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" stb %%o0, [%1]\n" |
288 |
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" stb %%o0, [%1 + 1]\n" |
289 |
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: "=&r" (value) |
290 |
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: "r" (flags), "r" (dst), "r" (src) |
291 |
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: "cc", "o0" |
292 |
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); |
293 |
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return value; |
294 |
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} |
295 |
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|
296 |
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#endif /* SPARC_V8_ASSEMBLY */ |
297 |
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|
298 |
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#ifdef SPARC_V9_ASSEMBLY |
299 |
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|
300 |
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static inline uae_u32 sparc_v9_flag_add_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
301 |
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{ |
302 |
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uae_u32 value; |
303 |
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__asm__ ("\n" |
304 |
|
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" sll %2, 24, %%o0\n" |
305 |
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" sll %3, 24, %%o1\n" |
306 |
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" addcc %%o0, %%o1, %%o0\n" |
307 |
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" rd %%ccr, %%o1\n" |
308 |
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" srl %%o0, 24, %0\n" |
309 |
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" stb %%o1, [%1]\n" |
310 |
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" stb %%o1, [%1+1]\n" |
311 |
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: "=&r" (value) |
312 |
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: "r" (flags), "r" (dst), "r" (src) |
313 |
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: "cc", "o0", "o1" |
314 |
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); |
315 |
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return value; |
316 |
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} |
317 |
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|
318 |
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static inline uae_u32 sparc_v9_flag_add_16(flag_struct *flags, uae_u32 src, uae_u32 dst) |
319 |
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{ |
320 |
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uae_u32 value; |
321 |
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__asm__ ("\n" |
322 |
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" sll %2, 16, %%o0\n" |
323 |
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" sll %3, 16, %%o1\n" |
324 |
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" addcc %%o0, %%o1, %%o0\n" |
325 |
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|
" rd %%ccr, %%o1\n" |
326 |
|
|
" srl %%o0, 16, %0\n" |
327 |
|
|
" stb %%o1, [%1]\n" |
328 |
|
|
" stb %%o1, [%1+1]\n" |
329 |
|
|
: "=&r" (value) |
330 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
331 |
|
|
: "cc", "o0", "o1" |
332 |
|
|
); |
333 |
|
|
return value; |
334 |
|
|
} |
335 |
|
|
|
336 |
|
|
static inline uae_u32 sparc_v9_flag_add_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
337 |
|
|
{ |
338 |
|
|
uae_u32 value; |
339 |
|
|
__asm__ ("\n" |
340 |
|
|
" addcc %2, %3, %0\n" |
341 |
|
|
" rd %%ccr, %%o0\n" |
342 |
|
|
" stb %%o0, [%1]\n" |
343 |
|
|
" stb %%o0, [%1+1]\n" |
344 |
|
|
: "=&r" (value) |
345 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
346 |
|
|
: "cc", "o0" |
347 |
|
|
); |
348 |
|
|
return value; |
349 |
|
|
} |
350 |
|
|
|
351 |
|
|
static inline uae_u32 sparc_v9_flag_sub_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
352 |
|
|
{ |
353 |
|
|
uae_u32 value; |
354 |
|
|
__asm__ ("\n" |
355 |
|
|
" sll %2, 24, %%o0\n" |
356 |
|
|
" sll %3, 24, %%o1\n" |
357 |
|
|
" subcc %%o0, %%o1, %%o0\n" |
358 |
|
|
" rd %%ccr, %%o1\n" |
359 |
|
|
" srl %%o0, 24, %0\n" |
360 |
|
|
" stb %%o1, [%1]\n" |
361 |
|
|
" stb %%o1, [%1+1]\n" |
362 |
|
|
: "=&r" (value) |
363 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
364 |
|
|
: "cc", "o0", "o1" |
365 |
|
|
); |
366 |
|
|
return value; |
367 |
|
|
} |
368 |
|
|
|
369 |
|
|
static inline uae_u32 sparc_v9_flag_sub_16(flag_struct *flags, uae_u32 src, uae_u32 dst) |
370 |
|
|
{ |
371 |
|
|
uae_u32 value; |
372 |
|
|
__asm__ ("\n" |
373 |
|
|
" sll %2, 16, %%o0\n" |
374 |
|
|
" sll %3, 16, %%o1\n" |
375 |
|
|
" subcc %%o0, %%o1, %%o0\n" |
376 |
|
|
" rd %%ccr, %%o1\n" |
377 |
|
|
" srl %%o0, 16, %0\n" |
378 |
|
|
" stb %%o1, [%1]\n" |
379 |
|
|
" stb %%o1, [%1+1]\n" |
380 |
|
|
: "=&r" (value) |
381 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
382 |
|
|
: "cc", "o0", "o1" |
383 |
|
|
); |
384 |
|
|
return value; |
385 |
|
|
} |
386 |
|
|
|
387 |
|
|
static inline uae_u32 sparc_v9_flag_sub_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
388 |
|
|
{ |
389 |
|
|
uae_u32 value; |
390 |
|
|
__asm__ ("\n" |
391 |
|
|
" subcc %2, %3, %0\n" |
392 |
|
|
" rd %%ccr, %%o0\n" |
393 |
|
|
" stb %%o0, [%1]\n" |
394 |
|
|
" stb %%o0, [%1+1]\n" |
395 |
|
|
: "=&r" (value) |
396 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
397 |
|
|
: "cc", "o0" |
398 |
|
|
); |
399 |
|
|
return value; |
400 |
|
|
} |
401 |
|
|
|
402 |
|
|
static inline void sparc_v9_flag_cmp_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
403 |
|
|
{ |
404 |
|
|
__asm__ ("\n" |
405 |
|
|
" sll %1, 24, %%o0\n" |
406 |
|
|
" sll %2, 24, %%o1\n" |
407 |
|
|
" subcc %%o0, %%o1, %%g0\n" |
408 |
|
|
" rd %%ccr, %%o0\n" |
409 |
|
|
" stb %%o0, [%0]\n" |
410 |
|
|
: /* no outputs */ |
411 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
412 |
|
|
: "cc", "o0", "o1" |
413 |
|
|
); |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
static inline void sparc_v9_flag_cmp_16(flag_struct *flags, uae_u32 src, uae_u32 dst) |
417 |
|
|
{ |
418 |
|
|
__asm__ ("\n" |
419 |
|
|
" sll %1, 16, %%o0\n" |
420 |
|
|
" sll %2, 16, %%o1\n" |
421 |
|
|
" subcc %%o0, %%o1, %%g0\n" |
422 |
|
|
" rd %%ccr, %%o0\n" |
423 |
|
|
" stb %%o0, [%0]\n" |
424 |
|
|
: /* no outputs */ |
425 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
426 |
|
|
: "cc", "o0", "o1" |
427 |
|
|
); |
428 |
|
|
} |
429 |
|
|
|
430 |
|
|
static inline void sparc_v9_flag_cmp_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
431 |
|
|
{ |
432 |
|
|
__asm__ ("\n" |
433 |
|
|
" subcc %1, %2, %%g0\n" |
434 |
|
|
#if 0 |
435 |
|
|
" subcc %1, %2, %%o1\n" |
436 |
|
|
" srl %%o1, 31, %%o0\n" |
437 |
|
|
" sll %%o0, 3, %%o0\n" |
438 |
|
|
" addx %%o0, %%g0, %%o0\n" |
439 |
|
|
" bvs,a .+8\n" |
440 |
|
|
" or %%o0, 0x02, %%o0\n" |
441 |
|
|
" subcc %%g0, %%o1, %%g0\n" |
442 |
|
|
" addx %%g0, 7, %%o1\n" |
443 |
|
|
" and %%o1, 0x04, %%o1\n" |
444 |
|
|
" or %%o0, %%o1, %%o0\n" |
445 |
|
|
#endif |
446 |
|
|
#if 0 |
447 |
|
|
" subcc %1, %2, %%o1\n" |
448 |
|
|
" srl %%o1, 31, %%o0\n" |
449 |
|
|
" sll %%o0, 3, %%o0\n" |
450 |
|
|
" addx %%o0, %%g0, %%o0\n" |
451 |
|
|
" bvs,pt,a .+8\n" |
452 |
|
|
" or %%o0, 0x02, %%o0\n" |
453 |
|
|
" subcc %%g0, %%o1, %%g0\n" |
454 |
|
|
" addx %%g0, 7, %%o1\n" |
455 |
|
|
" and %%o1, 0x04, %%o1\n" |
456 |
|
|
" or %%o0, %%o1, %%o0\n" |
457 |
|
|
" stb %%o0, [%0]\n" |
458 |
|
|
#endif |
459 |
|
|
" rd %%ccr, %%o0\n" |
460 |
|
|
" stb %%o0, [%0]\n" |
461 |
|
|
: /* no outputs */ |
462 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
463 |
|
|
: "cc", "o0", "o1" |
464 |
|
|
); |
465 |
|
|
} |
466 |
|
|
|
467 |
|
|
#if 1 |
468 |
|
|
static inline void sparc_v9_flag_test_8(flag_struct *flags, uae_u32 val) |
469 |
|
|
{ |
470 |
|
|
__asm__ ("\n" |
471 |
|
|
" sll %1, 24, %%o0\n" |
472 |
|
|
" subcc %%o0, %%g0, %%g0\n" |
473 |
|
|
" rd %%ccr, %%o0\n" |
474 |
|
|
" stb %%o0, [%0]\n" |
475 |
|
|
: /* no outputs */ |
476 |
|
|
: "r" (flags), "r" (val) |
477 |
|
|
: "cc", "o0" |
478 |
|
|
); |
479 |
|
|
} |
480 |
|
|
|
481 |
|
|
static inline void sparc_v9_flag_test_16(flag_struct *flags, uae_u32 val) |
482 |
|
|
{ |
483 |
|
|
__asm__ ("\n" |
484 |
|
|
" sll %1, 16, %%o0\n" |
485 |
|
|
" subcc %%o0, %%g0, %%g0\n" |
486 |
|
|
" rd %%ccr, %%o0\n" |
487 |
|
|
" stb %%o0, [%0]\n" |
488 |
|
|
: /* no outputs */ |
489 |
|
|
: "r" (flags), "r" (val) |
490 |
|
|
: "cc", "o0" |
491 |
|
|
); |
492 |
|
|
} |
493 |
|
|
|
494 |
|
|
static inline void sparc_v9_flag_test_32(flag_struct *flags, uae_u32 val) |
495 |
|
|
{ |
496 |
|
|
__asm__ ("\n" |
497 |
|
|
" subcc %1, %%g0, %%g0\n" |
498 |
|
|
" rd %%ccr, %%o0\n" |
499 |
|
|
" stb %%o0, [%0]\n" |
500 |
|
|
: /* no outputs */ |
501 |
|
|
: "r" (flags), "r" (val) |
502 |
|
|
: "cc", "o0" |
503 |
|
|
); |
504 |
|
|
} |
505 |
|
|
#else |
506 |
|
|
static inline void sparc_v9_flag_test_8(flag_struct *flags, uae_u32 val) |
507 |
|
|
{ |
508 |
|
|
__asm__ ("\n" |
509 |
|
|
" sll %1, 24, %%o0\n" |
510 |
|
|
" subcc %%o0, %%g0, %%o1\n" |
511 |
|
|
" srl %%o1, 31, %%o0\n" |
512 |
|
|
" sll %%o0, 3, %%o0\n" |
513 |
|
|
" addx %%o0, %%g0, %%o0\n" |
514 |
|
|
" bvs,a .+8\n" |
515 |
|
|
" or %%o0, 0x02, %%o0\n" |
516 |
|
|
" subcc %%g0, %%o1, %%g0\n" |
517 |
|
|
" addx %%g0, 7, %%o1\n" |
518 |
|
|
" and %%o1, 0x04, %%o1\n" |
519 |
|
|
" or %%o0, %%o1, %%o0\n" |
520 |
|
|
" stb %%o0, [%0]\n" |
521 |
|
|
: /* no outputs */ |
522 |
|
|
: "r" (flags), "r" (val) |
523 |
|
|
: "cc", "o0", "o1" |
524 |
|
|
); |
525 |
|
|
} |
526 |
|
|
|
527 |
|
|
static inline void sparc_v9_flag_test_16(flag_struct *flags, uae_u32 val) |
528 |
|
|
{ |
529 |
|
|
__asm__ ("\n" |
530 |
|
|
" sll %1, 16, %%o0\n" |
531 |
|
|
" subcc %%o0, %%g0, %%o1\n" |
532 |
|
|
" srl %%o1, 31, %%o0\n" |
533 |
|
|
" sll %%o0, 3, %%o0\n" |
534 |
|
|
" addx %%o0, %%g0, %%o0\n" |
535 |
|
|
" bvs,a .+8\n" |
536 |
|
|
" or %%o0, 0x02, %%o0\n" |
537 |
|
|
" subcc %%g0, %%o1, %%g0\n" |
538 |
|
|
" addx %%g0, 7, %%o1\n" |
539 |
|
|
" and %%o1, 0x04, %%o1\n" |
540 |
|
|
" or %%o0, %%o1, %%o0\n" |
541 |
|
|
" stb %%o0, [%0]\n" |
542 |
|
|
: /* no outputs */ |
543 |
|
|
: "r" (flags), "r" (val) |
544 |
|
|
: "cc", "o0", "o1" |
545 |
|
|
); |
546 |
|
|
} |
547 |
|
|
|
548 |
|
|
static inline void sparc_v9_flag_test_32(flag_struct *flags, uae_u32 val) |
549 |
|
|
{ |
550 |
|
|
__asm__ ("\n" |
551 |
|
|
" subcc %1, %%g0, %%o1\n" |
552 |
|
|
" srl %%o1, 31, %%o0\n" |
553 |
|
|
" sll %%o0, 3, %%o0\n" |
554 |
|
|
" addx %%o0, %%g0, %%o0\n" |
555 |
|
|
" bvs,a .+8\n" |
556 |
|
|
" or %%o0, 0x02, %%o0\n" |
557 |
|
|
" subcc %%g0, %%o1, %%g0\n" |
558 |
|
|
" addx %%g0, 7, %%o1\n" |
559 |
|
|
" and %%o1, 0x04, %%o1\n" |
560 |
|
|
" or %%o0, %%o1, %%o0\n" |
561 |
|
|
" stb %%o0, [%0]\n" |
562 |
|
|
: /* no outputs */ |
563 |
|
|
: "r" (flags), "r" (val) |
564 |
|
|
: "cc", "o0", "o1" |
565 |
|
|
); |
566 |
|
|
} |
567 |
|
|
#endif |
568 |
|
|
|
569 |
|
|
static inline uae_u32 sparc_v9_flag_addx_8(flag_struct *flags, uae_u32 src, uae_u32 dst) |
570 |
|
|
{ |
571 |
|
|
uae_u32 value; |
572 |
|
|
__asm__ ("\n" |
573 |
|
|
" ldub [%1 + 1], %%o1 ! Get the X Flag\n" |
574 |
|
|
" subcc %%g0, %%o1, %%g0 ! Set the SPARC carry flag, if X set\n" |
575 |
|
|
" addxcc %2, %3, %0\n" |
576 |
|
|
: "=&r" (value) |
577 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
578 |
|
|
: "cc", "o0", "o1" |
579 |
|
|
); |
580 |
|
|
return value; |
581 |
|
|
} |
582 |
|
|
|
583 |
|
|
static inline uae_u32 sparc_v9_flag_addx_32(flag_struct *flags, uae_u32 src, uae_u32 dst) |
584 |
|
|
{ |
585 |
|
|
uae_u32 value; |
586 |
|
|
__asm__ ("\n" |
587 |
|
|
" ldub [%1 + 1], %%o0 ! Get the X Flag\n" |
588 |
|
|
" subcc %%g0, %%o0, %%g0 ! Set the SPARC carry flag, if X set\n" |
589 |
|
|
" addxcc %2, %3, %0\n" |
590 |
|
|
" ldub [%1], %%o0 ! retreive the old NZVC flags\n" |
591 |
|
|
" and %%o0, 0x04, %%o0 ! but keep only Z flag\n" |
592 |
|
|
" addx %%o0, %%g0, %%o0 ! X,C flags\n" |
593 |
|
|
" bl,a .+8\n" |
594 |
|
|
" or %%o0, 0x08, %%o0 ! N flag\n" |
595 |
|
|
" bvs,a .+8\n" |
596 |
|
|
" or %%o0, 0x02, %%o0 ! V flag\n" |
597 |
|
|
" bnz,a .+8\n" |
598 |
|
|
" and %%o0, 0x0B, %%o0 ! Z flag cleared if result is non-zero\n" |
599 |
|
|
" stb %%o0, [%1]\n" |
600 |
|
|
" stb %%o0, [%1 + 1]\n" |
601 |
|
|
: "=&r" (value) |
602 |
|
|
: "r" (flags), "r" (dst), "r" (src) |
603 |
|
|
: "cc", "o0" |
604 |
|
|
); |
605 |
|
|
return value; |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
#endif /* SPARC_V9_ASSEMBLY */ |
609 |
|
|
|
610 |
|
|
#endif /* SPARC_ASSEMBLY__HEADER */ |