diff options
| author | Richard Henderson <rth@cygnus.com> | 1998-12-29 03:35:06 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 1998-12-29 03:35:06 -0800 |
| commit | 8f8e7de31b408c5eab2d07cf753bd35a84875c09 (patch) | |
| tree | 5af3cfa50c047178f3e2a25b4d12c7c2567b0f74 | |
| parent | 67211fa1fc863b62e0744db71ce6c15e95c7d3be (diff) | |
| download | gcc-8f8e7de31b408c5eab2d07cf753bd35a84875c09.zip gcc-8f8e7de31b408c5eab2d07cf753bd35a84875c09.tar.gz gcc-8f8e7de31b408c5eab2d07cf753bd35a84875c09.tar.bz2 | |
bcp-1.c (bad10): Rename from opt3.
* gcc.c-torture/execute/bcp-1.c (bad10): Rename from opt3.
(opt3): Rename from opt4 and disable.
From-SVN: r24437
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/bcp-1.c | 24 |
2 files changed, 23 insertions, 6 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3978ce3..4dc1279 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +Tue Dec 29 11:33:25 1998 Richard Henderson <rth@cygnus.com> + + * gcc.c-torture/execute/bcp-1.c (bad10): Rename from opt3. + (opt3): Rename from opt4 and disable. + 1998-12-20 Alexandre Oliva <oliva@dcc.unicamp.br> * g++.old-deja/g++.pt/ptrmem5.C: New test. diff --git a/gcc/testsuite/gcc.c-torture/execute/bcp-1.c b/gcc/testsuite/gcc.c-torture/execute/bcp-1.c index 1eafec5..38b1d3e 100644 --- a/gcc/testsuite/gcc.c-torture/execute/bcp-1.c +++ b/gcc/testsuite/gcc.c-torture/execute/bcp-1.c @@ -11,6 +11,7 @@ inline int bad6(int x) { return __builtin_constant_p(x+1); } int bad7(void) { return __builtin_constant_p(abort()); } int bad8(void) { char buf[10]; return __builtin_constant_p(buf); } int bad9(const char *x) { return __builtin_constant_p(x[123456]); } +int bad10(void) { return __builtin_constant_p(&global); } /* These must pass, or we've broken gcc2 functionality. */ int good0(void) { return __builtin_constant_p(1); } @@ -20,14 +21,25 @@ int good2(void) { return __builtin_constant_p((1234 + 45) & ~7); } /* These are extensions to gcc2. Failure indicates an optimization regression. */ int opt0(void) { return bad3(1); } -int opt1(void) { return bad4("hi"); } -int opt2(void) { return bad6(1); } -int opt3(void) { return __builtin_constant_p(&global); } -int opt4(void) { return __builtin_constant_p("hi"[0]); } +int opt1(void) { return bad6(1); } +int opt2(void) { return __builtin_constant_p("hi"[0]); } + +/* + * Opt3 is known to fail. It is one of the important cases that glibc + * was interested in though, so keep this around as a reminder. + * + * The solution is to add bits to recover bytes from constant pool + * elements given nothing but a constant pool label and an offset. + * When we can do that, and we can simplify strlen after the fact, + * then we can enable recognition of constant pool labels as constants. + */ + +/* int opt3(void) { return bad4("hi"); } */ + /* Call through tables so -finline-functions can't screw with us. */ int (*bad_t0[])(void) = { - bad0, bad1, bad5, bad7, bad8 + bad0, bad1, bad5, bad7, bad8, bad10 }; int (*bad_t1[])(int x) = { @@ -43,7 +55,7 @@ int (*good_t0[])(void) = { }; int (*opt_t0[])(void) = { - opt0, opt1, opt2, opt3, opt4 + opt0, opt1, opt2 /* , opt3 */ }; #define N(arr) (sizeof(arr)/sizeof(*arr)) |