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298 |
jeremybenn |
/* { dg-do compile } */
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/* -mlongcall will cause us to place &foo in the CTR register. */
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/* { dg-skip-if "" { powerpc*-*-* } { "-mlongcall" } { "" } } */
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/* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-optimized" } */
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/* On 31-bit S/390 the function address will be stored (once) in the literal pool,
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so scan-assembler-times "foo" will return 1 even if the loop is fully unrolled.
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-msmall-exec avoids this by enabling a call instruction with immediate operand. */
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/* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-optimized -msmall-exec" { target s390-*-* } } */
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/* On Darwin, we call extern functions via a stub in PIC mode which is default and
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the stub is named after the function. To avoid this we use -static to go out
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of PIC mode. */
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/* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-optimized -static" { target *-*-darwin* } } */
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/* On MIPS, disable generating hints (R_MIPS_JALR) for PIC calls. In addition
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to the load from the GOT this also contains the name of the funtion so for
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each call the function name would appear twice. */
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/* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-optimized -mno-relax-pic-calls" { target mips*-*-* } } */
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void xxx(void)
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{
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int x = 45;
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while (x >>= 1)
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foo ();
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}
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/* We should be able to find out that the loop iterates four times and unroll it completely. */
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/* { dg-final { scan-tree-dump-times "Added canonical iv to loop 1, 4 iterations" 1 "ivcanon"} } */
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/* { dg-final { cleanup-tree-dump "ivcanon" } } */
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/* { dg-final { scan-tree-dump-times "Unrolled loop 1 completely" 1 "cunroll"} } */
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/* { dg-final { cleanup-tree-dump "cunroll" } } */
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/* { dg-final { scan-tree-dump-times "foo" 5 "optimized"} } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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/* Because hppa, ia64 and Windows targets include an external declaration
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for foo as well as the calls we need to look for something more specific
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than just foo in order to count only the calls and not the declaration. */
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/* The SH targets always use separate instructions to load the address
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and to do the actual call - bsr is only generated by link time
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relaxation. */
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/* CRIS keeps the address in a register. */
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/* m68k sometimes puts the address in a register, depending on CPU and PIC. */
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/* { dg-final { scan-assembler-times "foo" 5 { xfail hppa*-*-* ia64*-*-* sh*-*-* cris-*-* crisv32-*-* fido-*-* m68k-*-* i?86-*-mingw* i?86-*-cygwin* } } } */
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/* { dg-final { scan-assembler-times "foo,%r" 5 { target hppa*-*-* } } } */
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/* { dg-final { scan-assembler-times "= foo" 5 { target ia64*-*-* } } } */
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/* { dg-final { scan-assembler-times "call\[ \t\]*_foo" 5 { target i?86-*-mingw* i?86-*-cygwin* } } } */
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/* { dg-final { scan-assembler-times "jsr|bsrf|blink\ttr?,r18" 5 { target sh*-*-* } } } */
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/* { dg-final { scan-assembler-times "Jsr \\\$r" 5 { target cris-*-* } } } */
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/* { dg-final { scan-assembler-times "\[jb\]sr" 5 { target fido-*-* m68k-*-* } } } */
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