re PR target/63354 (gcc -pg -mprofile-kernel creates unused stack frames on leaf functions on ppc64le)
[gcc] 2016-01-21 Anton Blanchard <anton@samba.org> Bill Schmidt <wschmidt@linux.vnet.ibm.com> PR target/63354 * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New #define. * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New function. [gcc/testsuite] 2016-01-21 Anton Blanchard <anton@samba.org> Bill Schmidt <wschmidt@linux.vnet.ibm.com> PR target/63354 * gcc.target/powerpc/pr63354.c: New test. Co-Authored-By: Bill Schmidt <wschmidt@linux.vnet.ibm.com> From-SVN: r232684
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2016-01-21 Anton Blanchard <anton@samba.org>
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Bill Schmidt <wschmidt@linux.vnet.ibm.com>
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PR target/63354
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* config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
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#define.
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* config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
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function.
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2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
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* config/microblaze/microblaze.c
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@ -59,6 +59,9 @@ extern int dot_symbols;
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#define TARGET_PROFILE_KERNEL profile_kernel
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#undef TARGET_KEEP_LEAF_WHEN_PROFILED
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#define TARGET_KEEP_LEAF_WHEN_PROFILED rs6000_keep_leaf_when_profiled
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#define TARGET_USES_LINUX64_OPT 1
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#ifdef HAVE_LD_LARGE_TOC
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#undef TARGET_CMODEL
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@ -26237,6 +26237,14 @@ rs6000_output_function_prologue (FILE *file,
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rs6000_pic_labelno++;
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}
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/* -mprofile-kernel code calls mcount before the function prolog,
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so a profiled leaf function should stay a leaf function. */
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static bool
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rs6000_keep_leaf_when_profiled ()
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{
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return TARGET_PROFILE_KERNEL;
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}
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/* Non-zero if vmx regs are restored before the frame pop, zero if
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we restore after the pop when possible. */
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#define ALWAYS_RESTORE_ALTIVEC_BEFORE_POP 0
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@ -1,3 +1,9 @@
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2016-01-21 Anton Blanchard <anton@samba.org>
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Bill Schmidt <wschmidt@linux.vnet.ibm.com>
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PR target/63354
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* gcc.target/powerpc/pr63354.c: New test.
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2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
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PR rtl-optimization/68990
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@ -0,0 +1,11 @@
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/* Verify that we don't stack a frame for leaf functions when using
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-pg -mprofile-kernel. */
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/* { dg-do compile { target { powerpc64*-*-* } } } */
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/* { dg-options "-O2 -pg -mprofile-kernel" } */
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/* { dg-final { scan-assembler-not "mtlr" } } */
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int foo(void)
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{
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return 1;
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}
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