1*4882a593Smuzhiyun/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2*4882a593Smuzhiyun 2004, 2005, 2006 3*4882a593Smuzhiyun Free Software Foundation, Inc. 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun!! libgcc routines for the Renesas / SuperH SH CPUs. 9*4882a593Smuzhiyun!! Contributed by Steve Chamberlain. 10*4882a593Smuzhiyun!! sac@cygnus.com 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines 13*4882a593Smuzhiyun!! recoded in assembly by Toshiyasu Morita 14*4882a593Smuzhiyun!! tm@netcom.com 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and 17*4882a593Smuzhiyun ELF local label prefixes by J"orn Rennecke 18*4882a593Smuzhiyun amylaar@cygnus.com */ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun! 21*4882a593Smuzhiyun! __ashrsi3 22*4882a593Smuzhiyun! 23*4882a593Smuzhiyun! Entry: 24*4882a593Smuzhiyun! 25*4882a593Smuzhiyun! r4: Value to shift 26*4882a593Smuzhiyun! r5: Shifts 27*4882a593Smuzhiyun! 28*4882a593Smuzhiyun! Exit: 29*4882a593Smuzhiyun! 30*4882a593Smuzhiyun! r0: Result 31*4882a593Smuzhiyun! 32*4882a593Smuzhiyun! Destroys: 33*4882a593Smuzhiyun! 34*4882a593Smuzhiyun! (none) 35*4882a593Smuzhiyun! 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun .global __ashrsi3 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun .align 2 40*4882a593Smuzhiyun__ashrsi3: 41*4882a593Smuzhiyun mov #31,r0 42*4882a593Smuzhiyun and r0,r5 43*4882a593Smuzhiyun mova ashrsi3_table,r0 44*4882a593Smuzhiyun mov.b @(r0,r5),r5 45*4882a593Smuzhiyun#ifdef __sh1__ 46*4882a593Smuzhiyun add r5,r0 47*4882a593Smuzhiyun jmp @r0 48*4882a593Smuzhiyun#else 49*4882a593Smuzhiyun braf r5 50*4882a593Smuzhiyun#endif 51*4882a593Smuzhiyun mov r4,r0 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun .align 2 54*4882a593Smuzhiyunashrsi3_table: 55*4882a593Smuzhiyun .byte ashrsi3_0-ashrsi3_table 56*4882a593Smuzhiyun .byte ashrsi3_1-ashrsi3_table 57*4882a593Smuzhiyun .byte ashrsi3_2-ashrsi3_table 58*4882a593Smuzhiyun .byte ashrsi3_3-ashrsi3_table 59*4882a593Smuzhiyun .byte ashrsi3_4-ashrsi3_table 60*4882a593Smuzhiyun .byte ashrsi3_5-ashrsi3_table 61*4882a593Smuzhiyun .byte ashrsi3_6-ashrsi3_table 62*4882a593Smuzhiyun .byte ashrsi3_7-ashrsi3_table 63*4882a593Smuzhiyun .byte ashrsi3_8-ashrsi3_table 64*4882a593Smuzhiyun .byte ashrsi3_9-ashrsi3_table 65*4882a593Smuzhiyun .byte ashrsi3_10-ashrsi3_table 66*4882a593Smuzhiyun .byte ashrsi3_11-ashrsi3_table 67*4882a593Smuzhiyun .byte ashrsi3_12-ashrsi3_table 68*4882a593Smuzhiyun .byte ashrsi3_13-ashrsi3_table 69*4882a593Smuzhiyun .byte ashrsi3_14-ashrsi3_table 70*4882a593Smuzhiyun .byte ashrsi3_15-ashrsi3_table 71*4882a593Smuzhiyun .byte ashrsi3_16-ashrsi3_table 72*4882a593Smuzhiyun .byte ashrsi3_17-ashrsi3_table 73*4882a593Smuzhiyun .byte ashrsi3_18-ashrsi3_table 74*4882a593Smuzhiyun .byte ashrsi3_19-ashrsi3_table 75*4882a593Smuzhiyun .byte ashrsi3_20-ashrsi3_table 76*4882a593Smuzhiyun .byte ashrsi3_21-ashrsi3_table 77*4882a593Smuzhiyun .byte ashrsi3_22-ashrsi3_table 78*4882a593Smuzhiyun .byte ashrsi3_23-ashrsi3_table 79*4882a593Smuzhiyun .byte ashrsi3_24-ashrsi3_table 80*4882a593Smuzhiyun .byte ashrsi3_25-ashrsi3_table 81*4882a593Smuzhiyun .byte ashrsi3_26-ashrsi3_table 82*4882a593Smuzhiyun .byte ashrsi3_27-ashrsi3_table 83*4882a593Smuzhiyun .byte ashrsi3_28-ashrsi3_table 84*4882a593Smuzhiyun .byte ashrsi3_29-ashrsi3_table 85*4882a593Smuzhiyun .byte ashrsi3_30-ashrsi3_table 86*4882a593Smuzhiyun .byte ashrsi3_31-ashrsi3_table 87*4882a593Smuzhiyun 88*4882a593Smuzhiyunashrsi3_31: 89*4882a593Smuzhiyun rotcl r0 90*4882a593Smuzhiyun rts 91*4882a593Smuzhiyun subc r0,r0 92*4882a593Smuzhiyun 93*4882a593Smuzhiyunashrsi3_30: 94*4882a593Smuzhiyun shar r0 95*4882a593Smuzhiyunashrsi3_29: 96*4882a593Smuzhiyun shar r0 97*4882a593Smuzhiyunashrsi3_28: 98*4882a593Smuzhiyun shar r0 99*4882a593Smuzhiyunashrsi3_27: 100*4882a593Smuzhiyun shar r0 101*4882a593Smuzhiyunashrsi3_26: 102*4882a593Smuzhiyun shar r0 103*4882a593Smuzhiyunashrsi3_25: 104*4882a593Smuzhiyun shar r0 105*4882a593Smuzhiyunashrsi3_24: 106*4882a593Smuzhiyun shlr16 r0 107*4882a593Smuzhiyun shlr8 r0 108*4882a593Smuzhiyun rts 109*4882a593Smuzhiyun exts.b r0,r0 110*4882a593Smuzhiyun 111*4882a593Smuzhiyunashrsi3_23: 112*4882a593Smuzhiyun shar r0 113*4882a593Smuzhiyunashrsi3_22: 114*4882a593Smuzhiyun shar r0 115*4882a593Smuzhiyunashrsi3_21: 116*4882a593Smuzhiyun shar r0 117*4882a593Smuzhiyunashrsi3_20: 118*4882a593Smuzhiyun shar r0 119*4882a593Smuzhiyunashrsi3_19: 120*4882a593Smuzhiyun shar r0 121*4882a593Smuzhiyunashrsi3_18: 122*4882a593Smuzhiyun shar r0 123*4882a593Smuzhiyunashrsi3_17: 124*4882a593Smuzhiyun shar r0 125*4882a593Smuzhiyunashrsi3_16: 126*4882a593Smuzhiyun shlr16 r0 127*4882a593Smuzhiyun rts 128*4882a593Smuzhiyun exts.w r0,r0 129*4882a593Smuzhiyun 130*4882a593Smuzhiyunashrsi3_15: 131*4882a593Smuzhiyun shar r0 132*4882a593Smuzhiyunashrsi3_14: 133*4882a593Smuzhiyun shar r0 134*4882a593Smuzhiyunashrsi3_13: 135*4882a593Smuzhiyun shar r0 136*4882a593Smuzhiyunashrsi3_12: 137*4882a593Smuzhiyun shar r0 138*4882a593Smuzhiyunashrsi3_11: 139*4882a593Smuzhiyun shar r0 140*4882a593Smuzhiyunashrsi3_10: 141*4882a593Smuzhiyun shar r0 142*4882a593Smuzhiyunashrsi3_9: 143*4882a593Smuzhiyun shar r0 144*4882a593Smuzhiyunashrsi3_8: 145*4882a593Smuzhiyun shar r0 146*4882a593Smuzhiyunashrsi3_7: 147*4882a593Smuzhiyun shar r0 148*4882a593Smuzhiyunashrsi3_6: 149*4882a593Smuzhiyun shar r0 150*4882a593Smuzhiyunashrsi3_5: 151*4882a593Smuzhiyun shar r0 152*4882a593Smuzhiyunashrsi3_4: 153*4882a593Smuzhiyun shar r0 154*4882a593Smuzhiyunashrsi3_3: 155*4882a593Smuzhiyun shar r0 156*4882a593Smuzhiyunashrsi3_2: 157*4882a593Smuzhiyun shar r0 158*4882a593Smuzhiyunashrsi3_1: 159*4882a593Smuzhiyun rts 160*4882a593Smuzhiyun shar r0 161*4882a593Smuzhiyun 162*4882a593Smuzhiyunashrsi3_0: 163*4882a593Smuzhiyun rts 164*4882a593Smuzhiyun nop 165