1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0+ WITH GCC-exception-2.0 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 4*4882a593Smuzhiyun 2004, 2005, 2006 5*4882a593Smuzhiyun Free Software Foundation, Inc. 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! __lshrsi3 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! __lshrsi3_r0 37*4882a593Smuzhiyun! 38*4882a593Smuzhiyun! Entry: 39*4882a593Smuzhiyun! 40*4882a593Smuzhiyun! r0: Value to shift 41*4882a593Smuzhiyun! r5: Shifts 42*4882a593Smuzhiyun! 43*4882a593Smuzhiyun! Exit: 44*4882a593Smuzhiyun! 45*4882a593Smuzhiyun! r0: Result 46*4882a593Smuzhiyun! 47*4882a593Smuzhiyun! Destroys: 48*4882a593Smuzhiyun! 49*4882a593Smuzhiyun! (none) 50*4882a593Smuzhiyun! 51*4882a593Smuzhiyun .global __lshrsi3 52*4882a593Smuzhiyun .global __lshrsi3_r0 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun .align 2 55*4882a593Smuzhiyun__lshrsi3: 56*4882a593Smuzhiyun mov r5,r0 57*4882a593Smuzhiyun .align 2 58*4882a593Smuzhiyun__lshrsi3_r0: 59*4882a593Smuzhiyun and #31,r0 60*4882a593Smuzhiyun mov.l r4,@-r15 61*4882a593Smuzhiyun mov r0,r4 62*4882a593Smuzhiyun mova lshrsi3_table,r0 63*4882a593Smuzhiyun mov.b @(r0,r4),r4 64*4882a593Smuzhiyun add r4,r0 65*4882a593Smuzhiyun jmp @r0 66*4882a593Smuzhiyun mov.l @r15+,r0 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun .align 2 69*4882a593Smuzhiyunlshrsi3_table: 70*4882a593Smuzhiyun .byte lshrsi3_0-lshrsi3_table 71*4882a593Smuzhiyun .byte lshrsi3_1-lshrsi3_table 72*4882a593Smuzhiyun .byte lshrsi3_2-lshrsi3_table 73*4882a593Smuzhiyun .byte lshrsi3_3-lshrsi3_table 74*4882a593Smuzhiyun .byte lshrsi3_4-lshrsi3_table 75*4882a593Smuzhiyun .byte lshrsi3_5-lshrsi3_table 76*4882a593Smuzhiyun .byte lshrsi3_6-lshrsi3_table 77*4882a593Smuzhiyun .byte lshrsi3_7-lshrsi3_table 78*4882a593Smuzhiyun .byte lshrsi3_8-lshrsi3_table 79*4882a593Smuzhiyun .byte lshrsi3_9-lshrsi3_table 80*4882a593Smuzhiyun .byte lshrsi3_10-lshrsi3_table 81*4882a593Smuzhiyun .byte lshrsi3_11-lshrsi3_table 82*4882a593Smuzhiyun .byte lshrsi3_12-lshrsi3_table 83*4882a593Smuzhiyun .byte lshrsi3_13-lshrsi3_table 84*4882a593Smuzhiyun .byte lshrsi3_14-lshrsi3_table 85*4882a593Smuzhiyun .byte lshrsi3_15-lshrsi3_table 86*4882a593Smuzhiyun .byte lshrsi3_16-lshrsi3_table 87*4882a593Smuzhiyun .byte lshrsi3_17-lshrsi3_table 88*4882a593Smuzhiyun .byte lshrsi3_18-lshrsi3_table 89*4882a593Smuzhiyun .byte lshrsi3_19-lshrsi3_table 90*4882a593Smuzhiyun .byte lshrsi3_20-lshrsi3_table 91*4882a593Smuzhiyun .byte lshrsi3_21-lshrsi3_table 92*4882a593Smuzhiyun .byte lshrsi3_22-lshrsi3_table 93*4882a593Smuzhiyun .byte lshrsi3_23-lshrsi3_table 94*4882a593Smuzhiyun .byte lshrsi3_24-lshrsi3_table 95*4882a593Smuzhiyun .byte lshrsi3_25-lshrsi3_table 96*4882a593Smuzhiyun .byte lshrsi3_26-lshrsi3_table 97*4882a593Smuzhiyun .byte lshrsi3_27-lshrsi3_table 98*4882a593Smuzhiyun .byte lshrsi3_28-lshrsi3_table 99*4882a593Smuzhiyun .byte lshrsi3_29-lshrsi3_table 100*4882a593Smuzhiyun .byte lshrsi3_30-lshrsi3_table 101*4882a593Smuzhiyun .byte lshrsi3_31-lshrsi3_table 102*4882a593Smuzhiyun 103*4882a593Smuzhiyunlshrsi3_6: 104*4882a593Smuzhiyun shlr2 r0 105*4882a593Smuzhiyunlshrsi3_4: 106*4882a593Smuzhiyun shlr2 r0 107*4882a593Smuzhiyunlshrsi3_2: 108*4882a593Smuzhiyun rts 109*4882a593Smuzhiyun shlr2 r0 110*4882a593Smuzhiyun 111*4882a593Smuzhiyunlshrsi3_7: 112*4882a593Smuzhiyun shlr2 r0 113*4882a593Smuzhiyunlshrsi3_5: 114*4882a593Smuzhiyun shlr2 r0 115*4882a593Smuzhiyunlshrsi3_3: 116*4882a593Smuzhiyun shlr2 r0 117*4882a593Smuzhiyunlshrsi3_1: 118*4882a593Smuzhiyun rts 119*4882a593Smuzhiyun shlr r0 120*4882a593Smuzhiyun 121*4882a593Smuzhiyunlshrsi3_14: 122*4882a593Smuzhiyun shlr2 r0 123*4882a593Smuzhiyunlshrsi3_12: 124*4882a593Smuzhiyun shlr2 r0 125*4882a593Smuzhiyunlshrsi3_10: 126*4882a593Smuzhiyun shlr2 r0 127*4882a593Smuzhiyunlshrsi3_8: 128*4882a593Smuzhiyun rts 129*4882a593Smuzhiyun shlr8 r0 130*4882a593Smuzhiyun 131*4882a593Smuzhiyunlshrsi3_15: 132*4882a593Smuzhiyun shlr2 r0 133*4882a593Smuzhiyunlshrsi3_13: 134*4882a593Smuzhiyun shlr2 r0 135*4882a593Smuzhiyunlshrsi3_11: 136*4882a593Smuzhiyun shlr2 r0 137*4882a593Smuzhiyunlshrsi3_9: 138*4882a593Smuzhiyun shlr8 r0 139*4882a593Smuzhiyun rts 140*4882a593Smuzhiyun shlr r0 141*4882a593Smuzhiyun 142*4882a593Smuzhiyunlshrsi3_22: 143*4882a593Smuzhiyun shlr2 r0 144*4882a593Smuzhiyunlshrsi3_20: 145*4882a593Smuzhiyun shlr2 r0 146*4882a593Smuzhiyunlshrsi3_18: 147*4882a593Smuzhiyun shlr2 r0 148*4882a593Smuzhiyunlshrsi3_16: 149*4882a593Smuzhiyun rts 150*4882a593Smuzhiyun shlr16 r0 151*4882a593Smuzhiyun 152*4882a593Smuzhiyunlshrsi3_23: 153*4882a593Smuzhiyun shlr2 r0 154*4882a593Smuzhiyunlshrsi3_21: 155*4882a593Smuzhiyun shlr2 r0 156*4882a593Smuzhiyunlshrsi3_19: 157*4882a593Smuzhiyun shlr2 r0 158*4882a593Smuzhiyunlshrsi3_17: 159*4882a593Smuzhiyun shlr16 r0 160*4882a593Smuzhiyun rts 161*4882a593Smuzhiyun shlr r0 162*4882a593Smuzhiyun 163*4882a593Smuzhiyunlshrsi3_30: 164*4882a593Smuzhiyun shlr2 r0 165*4882a593Smuzhiyunlshrsi3_28: 166*4882a593Smuzhiyun shlr2 r0 167*4882a593Smuzhiyunlshrsi3_26: 168*4882a593Smuzhiyun shlr2 r0 169*4882a593Smuzhiyunlshrsi3_24: 170*4882a593Smuzhiyun shlr16 r0 171*4882a593Smuzhiyun rts 172*4882a593Smuzhiyun shlr8 r0 173*4882a593Smuzhiyun 174*4882a593Smuzhiyunlshrsi3_31: 175*4882a593Smuzhiyun shlr2 r0 176*4882a593Smuzhiyunlshrsi3_29: 177*4882a593Smuzhiyun shlr2 r0 178*4882a593Smuzhiyunlshrsi3_27: 179*4882a593Smuzhiyun shlr2 r0 180*4882a593Smuzhiyunlshrsi3_25: 181*4882a593Smuzhiyun shlr16 r0 182*4882a593Smuzhiyun shlr8 r0 183*4882a593Smuzhiyun rts 184*4882a593Smuzhiyun shlr r0 185*4882a593Smuzhiyun 186*4882a593Smuzhiyunlshrsi3_0: 187*4882a593Smuzhiyun rts 188*4882a593Smuzhiyun nop 189