Lines Matching +full:alternative +full:- +full:b

4 #include <asm/asm-extable.h>
7 #include <asm/alternative-macros.h>
12 	_asm_extable	100b, \lbl
17 	ALTERNATIVE("j fallback_scalar_usercopy", "nop", 0, RISCV_ISA_EXT_ZVE32X, CONFIG_RISCV_ISA_V)
45 …ALTERNATIVE("j fallback_scalar_usercopy_sum_enabled", "nop", 0, RISCV_ISA_EXT_ZVE32X, CONFIG_RISCV…
65 	 * a0 - start of uncopied dst
66 	 * a1 - start of uncopied src
67 	 * a2 - size
68 	 * t0 - end of uncopied dst
76 	li	a3, 9*SZREG-1 /* size must >= (word_copy stride + SZREG-1) */
81 	 * a0 - start of dst
82 	 * t1 - start of aligned dst
84 	addi	t1, a0, SZREG-1
85 	andi	t1, t1, ~(SZREG-1)
89 	/* a5 - one byte for copying data */
94 	bltu	a0, t1, 1b	/* t1 - start of aligned dst */
99 	 * Use shift-copy if src is misaligned.
100 	 * Use word-copy if both src and dst are aligned because
101 	 * can not use shift-copy which do not require shifting
103 	/* a1 - start of src */
104 	andi	a3, a1, SZREG-1
111 	 * a0 - start of aligned dst
112 	 * a1 - start of aligned src
113 	 * t0 - end of aligned dst
115 	addi	t0, t0, -(8*SZREG) /* not to over run */
135 	bleu	a0, t0, 2b
149 	 * a0 - start of aligned dst
150 	 * a1 - start of src
151 	 * a3 - a1 & mask:(SZREG-1)
152 	 * t0 - end of uncopied dst
153 	 * t1 - end of aligned dst
156 	andi	t1, t0, ~(SZREG-1)
158 	andi	a1, a1, ~(SZREG-1)
162 	 * t3 - prev shift
163 	 * t4 - current shift
175 	 * a0 - start of aligned dst
176 	 * a1 - start of aligned src
177 	 * t1 - end of aligned dst
188 	bltu	a0, t1, 3b
197 	 * a0 - start of remaining dst
198 	 * a1 - start of remaining src
199 	 * t0 - end of remaining dst
207 	bltu	a0, t0, 4b	/* t0 - end of dst */
224 	addi t0, a0, SZREG-1
225 	andi t1, a3, ~(SZREG-1)
226 	andi t0, t0, ~(SZREG-1)
229 	 * t0: lowest doubleword-aligned address in target region
230 	 * t1: highest doubleword-aligned address in target region
237 	bltu a0, t1, 1b
249 	bltu a0, t0, 4b
250 	j 1b
254 	bltu a0, a3, 5b
255 	j 3b