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| author | Tobias Burnus <burnus@gcc.gnu.org> | 2019-12-18 17:51:08 +0100 |
|---|---|---|
| committer | Tobias Burnus <burnus@gcc.gnu.org> | 2019-12-18 17:51:08 +0100 |
| commit | c80c9e26dec56891897be0e468c004a588bedceb (patch) | |
| tree | b3a67265caa05e984ff61c5a166c5181175dba51 /gcc/lto-streamer-in.c | |
| parent | 6573d760cdfec1b4577b268ce1ff19cecc4c9cbd (diff) | |
| download | gcc-c80c9e26dec56891897be0e468c004a588bedceb.zip gcc-c80c9e26dec56891897be0e468c004a588bedceb.tar.gz gcc-c80c9e26dec56891897be0e468c004a588bedceb.tar.bz2 | |
PR 86416 – improve lto1 diagnostic if a mode does not exist
PR middle-end/86416
* Makefile.in (CFLAGS-lto-streamer-in.o): Pass target_noncanonical on.
* lto-streamer-in.c (lto_input_mode_table): Improve unsupported-mode
diagnostic.
PR middle-end/86416
* testsuite/libgomp.c/pr86416-1.c: New.
* testsuite/libgomp.c/pr86416-2.c: New.
From-SVN: r279528
Diffstat (limited to 'gcc/lto-streamer-in.c')
| -rw-r--r-- | gcc/lto-streamer-in.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gcc/lto-streamer-in.c b/gcc/lto-streamer-in.c index 675e1a7..f49f38d 100644 --- a/gcc/lto-streamer-in.c +++ b/gcc/lto-streamer-in.c @@ -1698,7 +1698,31 @@ lto_input_mode_table (struct lto_file_decl_data *file_data) } /* FALLTHRU */ default: - fatal_error (UNKNOWN_LOCATION, "unsupported mode %qs", mname); + /* This is only used for offloading-target compilations and + is a user-facing error. Give a better error message for + the common modes; see also mode-classes.def. */ + if (mclass == MODE_FLOAT) + fatal_error (UNKNOWN_LOCATION, + "%s - %u-bit-precision floating-point numbers " + "unsupported (mode %qs)", TARGET_MACHINE, + prec.to_constant (), mname); + else if (mclass == MODE_DECIMAL_FLOAT) + fatal_error (UNKNOWN_LOCATION, + "%s - %u-bit-precision decimal floating-point " + "numbers unsupported (mode %qs)", TARGET_MACHINE, + prec.to_constant (), mname); + else if (mclass == MODE_COMPLEX_FLOAT) + fatal_error (UNKNOWN_LOCATION, + "%s - %u-bit-precision complex floating-point " + "numbers unsupported (mode %qs)", TARGET_MACHINE, + prec.to_constant (), mname); + else if (mclass == MODE_INT) + fatal_error (UNKNOWN_LOCATION, + "%s - %u-bit integer numbers unsupported (mode " + "%qs)", TARGET_MACHINE, prec.to_constant (), mname); + else + fatal_error (UNKNOWN_LOCATION, "%s - unsupported mode %qs", + TARGET_MACHINE, mname); break; } } |