diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4dc8b7ac6b4..c7b2af3afc7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-05-30 Tom de Vries + + * config/i386/i386.c (TARGET_CALL_FUSAGE_CONTAINS_NON_CALLEE_CLOBBERS): + Redefine as true. + 2014-05-30 Tom de Vries * lra-int.h (struct lra_reg): Add field actual_call_used_reg_set. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 88272567c56..83d3ba3c089 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -47272,6 +47272,9 @@ ix86_atomic_assign_expand_fenv (tree *hold, tree *clear, tree *update) #undef TARGET_MODE_PRIORITY #define TARGET_MODE_PRIORITY ix86_mode_priority +#undef TARGET_CALL_FUSAGE_CONTAINS_NON_CALLEE_CLOBBERS +#define TARGET_CALL_FUSAGE_CONTAINS_NON_CALLEE_CLOBBERS true + struct gcc_target targetm = TARGET_INITIALIZER; #include "gt-i386.h" diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1ed6aed7804..1d846dca8e9 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2014-05-30 Tom de Vries + + * gcc.target/i386/fuse-caller-save.c: New test. + * gcc.dg/ira-shrinkwrap-prep-1.c: Run with -fno-use-caller-save. + * gcc.dg/ira-shrinkwrap-prep-2.c: Same. + 2014-04-30 Alan Lawrence gcc.target/arm/simd/vrev16p8_1.c: New file. diff --git a/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-1.c b/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-1.c index 171a2bd5e17..fc7b142afdf 100644 --- a/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-1.c +++ b/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-1.c @@ -1,5 +1,5 @@ /* { dg-do compile { target { { x86_64-*-* && lp64 } || { powerpc*-*-* && lp64 } } } } */ -/* { dg-options "-O3 -fdump-rtl-ira -fdump-rtl-pro_and_epilogue" } */ +/* { dg-options "-O3 -fdump-rtl-ira -fdump-rtl-pro_and_epilogue -fno-use-caller-save" } */ long __attribute__((noinline, noclone)) foo (long a) diff --git a/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-2.c b/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-2.c index ed08494cfa0..2e5a9cfdc29 100644 --- a/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-2.c +++ b/gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-2.c @@ -1,5 +1,5 @@ /* { dg-do compile { target { { x86_64-*-* && lp64 } || { powerpc*-*-* && lp64 } } } } */ -/* { dg-options "-O3 -fdump-rtl-ira -fdump-rtl-pro_and_epilogue" } */ +/* { dg-options "-O3 -fdump-rtl-ira -fdump-rtl-pro_and_epilogue -fno-use-caller-save" } */ long __attribute__((noinline, noclone)) foo (long a) diff --git a/gcc/testsuite/gcc.target/i386/fuse-caller-save.c b/gcc/testsuite/gcc.target/i386/fuse-caller-save.c new file mode 100644 index 00000000000..ff77d81427f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/fuse-caller-save.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fuse-caller-save" } */ +/* Testing -fuse-caller-save optimization option. */ + +static int __attribute__((noinline)) +bar (int x) +{ + return x + 3; +} + +int __attribute__((noinline)) +foo (int y) +{ + return y + bar (y); +} + +int +main (void) +{ + return !(foo (5) == 13); +} + +/* { dg-final { scan-assembler-not "\.cfi_def_cfa_offset" } } */ +/* { dg-final { scan-assembler-not "\.cfi_offset" } } */ +