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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [sibcall-5.c] - Rev 20
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/* Check that indirect sibcalls understand regparm. */ /* { dg-do run { target i?86-*-* x86_64-*-* } } */ /* { dg-require-effective-target ilp32 } */ /* { dg-options "-O2" } */ extern void abort (void); int (*f)(int, int) __attribute__((regparm(2))); int (*g)(int, int, int) __attribute__((regparm(3))); int __attribute__((noinline)) foo(void) { return f(1, 2); } int __attribute__((noinline)) bar(void) { return g(1, 2, 3); } int __attribute__((regparm(2))) f1(int x, int y) { return x*3 + y; } int __attribute__((regparm(3))) g1(int x, int y, int z) { return x*9 + y*3 + z; } int main() { f = f1; g = g1; if (foo() != 1*3 + 2) abort (); if (bar() != 1*9 + 2*3 + 3) abort (); return 0; }
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