; File bwtest-err-1.s ; { dg-do assemble { target cris-*-* } } ; A variant of exbwtest.s. This is an example of invalid use of the broken- ; dot-word function. The nearest label occurs about 32 kbytes after the primary ; jump table so the secondary jump table can't be reached by word displace- ; ments and the broken words overflow. ; main() ; { ; byte i; ; ; for (i=0; i ; result[i] = funct(i); ; } ; } ; ; Register use : r1 - i ; r2 - result address .text .syntax no_register_prefix .word 0 main: move.d stack,sp moveq 0,r1 move.d result,r2 for1: cmpq 3,r1 bgt endfor1 move.d r1,r0 jsr funct move.w r0,[r2+r1.w] ba for1 addq 1,r1 endfor1: end: ba end nop ; uword funct(i) ; byte i; ; { ; switch (i) { ; case 0 : return 0x1111; ; case 1 : return 0x2222; ; case 2 : return 0x3333; ; case 3 : return 0x4444; ; } ; } ; ; Parameters : r0 - i ; ; Register use : r1 - pjt address funct: push r1 move.d pjt,r1 adds.w [r1+r0.w],pc pjt: .word near1 - pjt .word near2 - pjt .word far1 - pjt .word far2 - pjt ; Note that the line-number of the source-location of the error ; seems slightly off from the user perspective, but it's the ; best I could get without major changes in BW-handling. Not ; sure it it's worth fixing. May need adjustments if ; BW-handling changes. Four errors from four .words are what's ; expected. .space 32760,0xFF; { dg-error "Adjusted signed \.word \(.*\) overflow.*" } near1: move.w 0x1111,r0 ba ret1 nop near2: move.w 0x2222,r0 ba ret1 nop far1: move.w 0x3333,r0 ba ret1 nop far2: move.w 0x4444,r0 ret1: pop r1 ret result: .space 4 * 2 ; static uword result[4]; .space 4 stack:
