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| author | Richard Biener <rguenther@suse.de> | 2013-05-07 13:02:36 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-05-07 13:02:36 +0000 |
| commit | 3f8825c030327ba848489938822ce84659adb15c (patch) | |
| tree | 526d59f90336916a5e5f4f289babd36470843647 | |
| parent | fd4842cd6793508d4cdf630ef8a3e406cff7b895 (diff) | |
| download | gcc-3f8825c030327ba848489938822ce84659adb15c.zip gcc-3f8825c030327ba848489938822ce84659adb15c.tar.gz gcc-3f8825c030327ba848489938822ce84659adb15c.tar.bz2 | |
calls.c (special_function_p): setjmp-like functions are leaf.
2013-05-07 Richard Biener <rguenther@suse.de>
* calls.c (special_function_p): setjmp-like functions are leaf.
* builtins.def (BUILT_IN_SETJMP): setjmp is leaf.
* tree-inline.c (update_ssa_across_abnormal_edges): Remove assert.
From-SVN: r198681
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/builtins.def | 2 | ||||
| -rw-r--r-- | gcc/calls.c | 4 | ||||
| -rw-r--r-- | gcc/tree-inline.c | 4 |
4 files changed, 11 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 98e76ce..62feb59 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-05-07 Richard Biener <rguenther@suse.de> + + * calls.c (special_function_p): setjmp-like functions are leaf. + * builtins.def (BUILT_IN_SETJMP): setjmp is leaf. + * tree-inline.c (update_ssa_across_abnormal_edges): Remove assert. + 2013-05-07 Sofiane Naci <sofiane.naci@arm.com> * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>): call splitter. diff --git a/gcc/builtins.def b/gcc/builtins.def index b26eb24..276f89c 100644 --- a/gcc/builtins.def +++ b/gcc/builtins.def @@ -732,7 +732,7 @@ DEF_LIB_BUILTIN (BUILT_IN_REALLOC, "realloc", BT_FN_PTR_PTR_SIZE, ATTR_NO DEF_GCC_BUILTIN (BUILT_IN_RETURN, "return", BT_FN_VOID_PTR, ATTR_NORETURN_NOTHROW_LEAF_LIST) DEF_GCC_BUILTIN (BUILT_IN_RETURN_ADDRESS, "return_address", BT_FN_PTR_UINT, ATTR_LEAF_LIST) DEF_GCC_BUILTIN (BUILT_IN_SAVEREGS, "saveregs", BT_FN_PTR_VAR, ATTR_NULL) -DEF_GCC_BUILTIN (BUILT_IN_SETJMP, "setjmp", BT_FN_INT_PTR, ATTR_NULL) +DEF_GCC_BUILTIN (BUILT_IN_SETJMP, "setjmp", BT_FN_INT_PTR, ATTR_NOTHROW_LEAF_LIST) DEF_EXT_LIB_BUILTIN (BUILT_IN_STRFMON, "strfmon", BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_STRFMON_NOTHROW_3_4) DEF_LIB_BUILTIN (BUILT_IN_STRFTIME, "strftime", BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR, ATTR_FORMAT_STRFTIME_NOTHROW_3_0) DEF_GCC_BUILTIN (BUILT_IN_TRAP, "trap", BT_FN_VOID, ATTR_NORETURN_NOTHROW_LEAF_LIST) diff --git a/gcc/calls.c b/gcc/calls.c index cdab8e0..0c7f2256 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -545,7 +545,7 @@ special_function_p (const_tree fndecl, int flags) && ! strcmp (tname, "sigsetjmp")) || (tname[1] == 'a' && ! strcmp (tname, "savectx"))) - flags |= ECF_RETURNS_TWICE; + flags |= ECF_RETURNS_TWICE | ECF_LEAF; if (tname[1] == 'i' && ! strcmp (tname, "siglongjmp")) @@ -557,7 +557,7 @@ special_function_p (const_tree fndecl, int flags) && ! strcmp (tname, "vfork")) || (tname[0] == 'g' && tname[1] == 'e' && !strcmp (tname, "getcontext"))) - flags |= ECF_RETURNS_TWICE; + flags |= ECF_RETURNS_TWICE | ECF_LEAF; else if (tname[0] == 'l' && tname[1] == 'o' && ! strcmp (tname, "longjmp")) diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 83b41b1..57af7de 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -1835,8 +1835,8 @@ update_ssa_across_abnormal_edges (basic_block bb, basic_block ret_bb, phi = gsi_stmt (si); - /* There shouldn't be any PHI nodes in the ENTRY_BLOCK. */ - gcc_assert (!e->dest->aux); + /* For abnormal goto/call edges the receiver can be the + ENTRY_BLOCK. Do not assert this cannot happen. */ gcc_assert ((e->flags & EDGE_EH) || SSA_NAME_OCCURS_IN_ABNORMAL_PHI (PHI_RESULT (phi))); |