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| author | Joern Rennecke <joern.rennecke@embecosm.com> | 2014-03-03 21:51:58 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2014-03-03 21:51:58 +0000 |
| commit | 212bfe71ed5aa782df8d5e5b22b915b65380f9e0 (patch) | |
| tree | 73c4f0a31f7f2f93431e3d9c847daa3e61a1d8a1 /gcc | |
| parent | a42a7046ebd930b41804819dedaecef252b89e72 (diff) | |
| download | gcc-212bfe71ed5aa782df8d5e5b22b915b65380f9e0.zip gcc-212bfe71ed5aa782df8d5e5b22b915b65380f9e0.tar.gz gcc-212bfe71ed5aa782df8d5e5b22b915b65380f9e0.tar.bz2 | |
opts.h (CL_PCH_IGNORE): Define.
* opts.h (CL_PCH_IGNORE): Define.
* targhooks.c (option_affects_pch_p):
Return false for options that have CL_PCH_IGNORE set.
* opt-functions.awk: Process PchIgnore.
* doc/options.texi: Document PchIgnore.
From-SVN: r208292
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/doc/options.texi | 4 | ||||
| -rw-r--r-- | gcc/opt-functions.awk | 1 | ||||
| -rw-r--r-- | gcc/opts.h | 1 | ||||
| -rw-r--r-- | gcc/targhooks.c | 2 |
5 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index db741fd..71a56c0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2014-03-03 Joern Rennecke <joern.rennecke@embecosm.com> + + * opts.h (CL_PCH_IGNORE): Define. + * targhooks.c (option_affects_pch_p): + Return false for options that have CL_PCH_IGNORE set. + * opt-functions.awk: Process PchIgnore. + * doc/options.texi: Document PchIgnore. + 2014-03-03 Bill Schmidt <wschmidt@linux.vnet.ibm.com> * config/rs6000/rs6000.c (rs6000_preferred_reload_class): Disallow diff --git a/gcc/doc/options.texi b/gcc/doc/options.texi index ff80dac..938017a 100644 --- a/gcc/doc/options.texi +++ b/gcc/doc/options.texi @@ -478,4 +478,8 @@ record. @xref{Option file format}. @item NoDWARFRecord The option is omitted from the producer string written by @option{-grecord-gcc-switches}. + +@item PchIgnore +Even if this is a target option, this option will not be recorded / compared +to determine if a precompiled header file matches. @end table diff --git a/gcc/opt-functions.awk b/gcc/opt-functions.awk index 4db2521..381bb50 100644 --- a/gcc/opt-functions.awk +++ b/gcc/opt-functions.awk @@ -97,6 +97,7 @@ function switch_flags (flags) result = result \ test_flag("Common", flags, " | CL_COMMON") \ test_flag("Target", flags, " | CL_TARGET") \ + test_flag("PchIgnore", flags, " | CL_PCH_IGNORE") \ test_flag("Driver", flags, " | CL_DRIVER") \ test_flag("Joined", flags, " | CL_JOINED") \ test_flag("JoinedOrMissing", flags, " | CL_JOINED") \ @@ -146,6 +146,7 @@ extern const unsigned int cl_lang_count; #define CL_SEPARATE (1U << 23) /* If takes a separate argument. */ #define CL_UNDOCUMENTED (1U << 24) /* Do not output with --help. */ #define CL_NO_DWARF_RECORD (1U << 25) /* Do not add to producer string. */ +#define CL_PCH_IGNORE (1U << 26) /* Do compare state for pch. */ /* Flags for an enumerated option argument. */ #define CL_ENUM_CANONICAL (1 << 0) /* Canonical for this value. */ diff --git a/gcc/targhooks.c b/gcc/targhooks.c index f3b5d56..79491c7 100644 --- a/gcc/targhooks.c +++ b/gcc/targhooks.c @@ -1456,6 +1456,8 @@ option_affects_pch_p (int option, struct cl_option_state *state) { if ((cl_options[option].flags & CL_TARGET) == 0) return false; + if ((cl_options[option].flags & CL_PCH_IGNORE) != 0) + return false; if (option_flag_var (option, &global_options) == &target_flags) if (targetm.check_pch_target_flags) return false; |