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| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-07-05 07:56:45 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-07-05 07:56:45 +0000 |
| commit | c65aa0429d688103b446a7cb2985c351b52071f3 (patch) | |
| tree | 8259493253aa32f29e39453efeeca64cecadb24b /gcc/cfgexpand.c | |
| parent | 9c58793af54226c898ae27c913a8f9d85bbf948c (diff) | |
| download | gcc-c65aa0429d688103b446a7cb2985c351b52071f3.zip gcc-c65aa0429d688103b446a7cb2985c351b52071f3.tar.gz gcc-c65aa0429d688103b446a7cb2985c351b52071f3.tar.bz2 | |
target-insns.def (stack_protect_set, [...]): New targetm instruction patterns.
gcc/
* target-insns.def (stack_protect_set, stack_protect_test): New
targetm instruction patterns.
* cfgexpand.c (stack_protect_prologue): Use them instead of
HAVE_*/gen_* interface.
* function.c (stack_protect_epilogue): Likewise.
From-SVN: r225428
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 05eb2ad..4f9a31d 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -5767,11 +5767,6 @@ expand_main_function (void) /* Expand code to initialize the stack_protect_guard. This is invoked at the beginning of a function to be protected. */ -#ifndef HAVE_stack_protect_set -# define HAVE_stack_protect_set 0 -# define gen_stack_protect_set(x,y) (gcc_unreachable (), NULL_RTX) -#endif - static void stack_protect_prologue (void) { @@ -5783,15 +5778,12 @@ stack_protect_prologue (void) /* Allow the target to copy from Y to X without leaking Y into a register. */ - if (HAVE_stack_protect_set) - { - rtx insn = gen_stack_protect_set (x, y); - if (insn) - { - emit_insn (insn); - return; - } - } + if (targetm.have_stack_protect_set ()) + if (rtx_insn *insn = targetm.gen_stack_protect_set (x, y)) + { + emit_insn (insn); + return; + } /* Otherwise do a straight move. */ emit_move_insn (x, y); |