From: Zdenek Dvorak Date: Sat, 9 Oct 2004 20:19:37 +0000 (+0200) Subject: re PR middle-end/17906 (ICE in verify_ssa: PHI argument is not SSA_NAME, or invariant) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3d5c655fab0ba7e2311cf527b84821296705cef1;p=gcc.git re PR middle-end/17906 (ICE in verify_ssa: PHI argument is not SSA_NAME, or invariant) PR tree-optimization/17906 * tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to copy non-gimple reg arguments. From-SVN: r88828 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1107817bc82..d2c0baeb1e3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-10-09 Zdenek Dvorak + + PR tree-optimization/17906 + * tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to + copy non-gimple reg arguments. + 2004-10-09 Roger Sayle PR rtl-optimization/17853 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 5fc35b8cc98..4a2c0e38eb2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-10-09 Zdenek Dvorak + + PR tree-optimization/17906 + * gcc.c-torture/compile/pr17906.c: New. + 2004-10-09 Stuart Hastings Roger Sayle diff --git a/gcc/testsuite/gcc.c-torture/compile/pr17906.c b/gcc/testsuite/gcc.c-torture/compile/pr17906.c new file mode 100644 index 00000000000..2b18a6aabaf --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr17906.c @@ -0,0 +1,7 @@ +struct usc_bigstack_t {}; + +void +usc_recressive_func(int cnt, int max, struct usc_bigstack_t bstack) +{ + usc_recressive_func(cnt+1, max, bstack); +} diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c index 34ac8ee5834..00fdea301ad 100644 --- a/gcc/tree-tailcall.c +++ b/gcc/tree-tailcall.c @@ -870,7 +870,8 @@ tree_optimize_tail_calls_1 (bool opt_tailcalls) for (param = DECL_ARGUMENTS (current_function_decl); param; param = TREE_CHAIN (param)) - if (var_ann (param) + if (is_gimple_reg (param) + && var_ann (param) /* Also parameters that are only defined but never used need not be copied. */ && (var_ann (param)->default_def