re PR target/65753 ([i386] Incorrect tail call inhibition logic on i386 (32-bit))
PR target/65753 * config/i386/i386.c (ix86_function_ok_for_sibcall): Allow PIC sibcalls via function pointers. testsuite: * gcc.target/i386/pr65753.c: New test. From-SVN: r223005
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2015-05-11 Alexander Monakov <amonakov@ispras.ru>
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PR target/65753
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* config/i386/i386.c (ix86_function_ok_for_sibcall): Allow PIC sibcalls
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via function pointers.
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2015-05-11 Alexander Monakov <amonakov@ispras.ru>
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* calls.c (prepare_call_address): Transform PLT call to GOT lookup and
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@ -5473,12 +5473,12 @@ ix86_function_ok_for_sibcall (tree decl, tree exp)
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rtx a, b;
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/* If we are generating position-independent code, we cannot sibcall
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optimize any indirect call, or a direct call to a global function,
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as the PLT requires %ebx be live. (Darwin does not have a PLT.) */
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optimize direct calls to global functions, as the PLT requires
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%ebx be live. (Darwin does not have a PLT.) */
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if (!TARGET_MACHO
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&& !TARGET_64BIT
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&& flag_pic
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&& (!decl || !targetm.binds_local_p (decl)))
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&& decl && !targetm.binds_local_p (decl))
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return false;
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/* If we need to align the outgoing stack, then sibcalling would
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@ -1,3 +1,8 @@
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2015-05-11 Alexander Monakov <amonakov@ispras.ru>
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PR target/65753
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* gcc.target/i386/pr65753.c: New test.
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2015-05-11 Richard Sandiford <richard.sandiford@arm.com>
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PR rtl-optimization/66076
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/* { dg-do compile } */
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/* { dg-options "-fPIC -O" } */
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/* { dg-final { scan-assembler-not "call" } } */
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void foo(void (*bar)(void))
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{
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bar();
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}
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