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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [arm/] [misaligned1.ms] - Blame information for rev 205

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Line No. Rev Author Line
1 24 jeremybenn
# Test LDR instructions with offsets misaligned by 1 byte.
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# mach(): all
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        .macro invalid
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# This is "undefined" but it's not properly decoded yet.
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        .word 0x07ffffff
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# This is stc which isn't recognized yet.
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        stc 0,cr0,[r0]
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        .endm
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        .global _start
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_start:
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# Run some simple insns to confirm the engine is at least working.
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        nop
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# Skip over output text.
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        bl do_test
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pass:
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        .asciz "pass\n"
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        .p2align 2
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do_test:
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        mov r4, r14
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        bl continue
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word1:
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        .word 0x5555
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continue:
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        ldr r6, [r14, #1]
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        ldr r7, word2
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        cmp r6, r7
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        # Failed.
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        bne done
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output_next:
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# Output a character (in arm mode).
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        mov r0,#3
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        mov r1,r4
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        swi #0x123456
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# Load next character, see if done.
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        add r4,r4,#1
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        sub r3,r3,r3
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        ldrb r5,[r4,r3]
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        teq r5,#0
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        bne output_next
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done:
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        mov r0,#0x18
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        ldr r1,exit_code
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        swi #0x123456
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# If that fails, try to die with an invalid insn.
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        invalid
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exit_code:
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        .word 0x20026
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        .word 0xFFFFFFFF
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word2:
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        .word 0x55000055
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        .word 0xFFFFFFFF

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