43 lines
964 B
C
43 lines
964 B
C
/* { dg-do run } */
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/* { dg-options "-O3 -march=z10 --save-temps -mindirect-branch-table" } */
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/* { dg-require-effective-target label_values } */
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/* This is a copy of the gcc.c-torture/execute/20040302-1.c
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testcase. */
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int code[]={0,0,0,0,1};
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void
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foo(int x) {
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volatile int b;
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b = 0xffffffff;
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}
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void __attribute__((indirect_branch_jump("thunk")))
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bar(int *pc) {
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static const void *l[] = {&&lab0, &&end};
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foo(0);
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goto *l[*pc];
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lab0:
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foo(0);
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pc++;
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goto *l[*pc];
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end:
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return;
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}
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int main() {
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bar(code);
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return 0;
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}
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/* 2x bar */
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/* { dg-final { scan-assembler-times "jg\t__s390_indirect_jump" 2 } } */
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/* { dg-final { scan-assembler "exrl" } } */
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/* { dg-final { scan-assembler "section\t.s390_indirect_jump" } } */
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/* { dg-final { scan-assembler-not "section\t.s390_indirect_call" } } */
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/* { dg-final { scan-assembler-not "section\t.s390_return_reg" } } */
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/* { dg-final { scan-assembler-not "section\t.s390_return_mem" } } */
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