/* Verify that prologue and epilogue are correct for functions with
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/* Verify that prologue and epilogue are correct for functions with
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__attribute__ ((interrupt)). */
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__attribute__ ((interrupt)). */
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/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O0" } */
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/* { dg-options "-O0" } */
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|
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/* This test is not valid when -mthumb. We just cheat. */
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/* This test is not valid when -mthumb. We just cheat. */
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#ifndef __thumb__
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#ifndef __thumb__
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extern void bar (int);
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extern void bar (int);
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extern void foo (void) __attribute__ ((interrupt("IRQ")));
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extern void foo (void) __attribute__ ((interrupt("IRQ")));
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|
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void foo ()
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void foo ()
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{
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{
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bar (0);
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bar (0);
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}
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}
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#else
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#else
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void foo ()
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void foo ()
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{
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{
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asm ("stmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, lr}");
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asm ("stmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, lr}");
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asm ("ldmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, pc}^");
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asm ("ldmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, pc}^");
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}
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}
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#endif
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#endif
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/* { dg-final { scan-assembler "stmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, lr}" } } */
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/* { dg-final { scan-assembler "stmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, lr}" } } */
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/* { dg-final { scan-assembler "ldmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, pc}\\^" } } */
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/* { dg-final { scan-assembler "ldmfd\tsp!, {r0, r1, r2, r3, r4, fp, ip, pc}\\^" } } */
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