Lines Matching +full:lsb +full:- +full:first

4  * Copyright (c) 2012-2022, Arm Limited.
5  * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
18    STRCMP_NO_PRECHECK: Don't run a quick pre-check of the first
20    the pre-check will save time, since there is a very high
21    probability of a mismatch in the first character: we save
30    Leaf functions cannot throw exceptions - EHABI only supports
34 	/* This version uses Thumb-2 code.  */
43 #define LSB 0xff000000  macro
57 #define LSB 0x000000ff  macro
70 /* Additional internal variables for 64-bit aligned data.  */
78 /* Additional internal variables for 32-bit aligned data.  */
84 	/* Macro to compute and return the result value for word-aligned
90 	   syndrome will highlight the first different bit.  It is therefore
106 	.cfi_adjust_cfa_offset -16
110 	/* To use the big-endian trick we'd have to reverse all three words.
128 	.cfi_adjust_cfa_offset -16
145 	strd	r4, r5, [sp, #-16]!
168 	lsl	tmp2, tmp2, #3	/* Bytes -> bits.  */
201 	ldrd	data1a, data1b, [src1, #-8]
202 	ldrd	data2a, data2b, [src2, #-8]
230 	/* Unrolled by a factor of 2, to reduce the number of post-increment
240 	ldr	data1, [src1, #-4]
241 	ldr	data2, [src2, #-4]
255 	lsl	tmp1, tmp1, #3	/* Bytes -> bits.  */
300 	/* If we've done the pre-check, then we don't need to check the
301 	   first byte again here.  */
321 	.cfi_adjust_cfa_offset -16
371 	   fast-path the exit.  */
380 	.cfi_adjust_cfa_offset -16
386 	and	data2, data2, #LSB
424 	and	tmp1, data1, #LSB
440 	tst	syndrome, #LSB
457 	.cfi_adjust_cfa_offset -16
465 	/* Now everything looks big-endian...  */
480 	.cfi_adjust_cfa_offset -16