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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-08-26 12:37:05 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2020-08-26 12:56:18 -0700 |
| commit | 8f1ea8ddccc34c28f72910d9f61bacd35cc73270 (patch) | |
| tree | 65f014bee28aa0a57ed15c50ffc630a9876bd1b7 | |
| parent | 703e049aa72e01c15087750fe63deba779c9b2dd (diff) | |
| download | gcc-8f1ea8ddccc34c28f72910d9f61bacd35cc73270.zip gcc-8f1ea8ddccc34c28f72910d9f61bacd35cc73270.tar.gz gcc-8f1ea8ddccc34c28f72910d9f61bacd35cc73270.tar.bz2 | |
x86: Reject target("no-general-regs-only")
Reject target("no-general-regs-only") pragma and attribute.
gcc/
PR target/96802
* config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
Reject target("no-general-regs-only").
gcc/testsuite/
PR target/96802
* gcc.target/i386/pr96802-1.c: New test.
* gcc.target/i386/pr96802-2.c: Likewise.
| -rw-r--r-- | gcc/config/i386/i386-options.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr96802-1.c | 12 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr96802-2.c | 16 |
3 files changed, 35 insertions, 0 deletions
diff --git a/gcc/config/i386/i386-options.c b/gcc/config/i386/i386-options.c index e0fc68c..b93c338 100644 --- a/gcc/config/i386/i386-options.c +++ b/gcc/config/i386/i386-options.c @@ -1189,6 +1189,13 @@ ix86_valid_target_attribute_inner_p (tree fndecl, tree args, char *p_strings[], { if (mask == OPTION_MASK_GENERAL_REGS_ONLY) { + if (!opt_set_p) + { + error_at (loc, "pragma or attribute %<target(\"%s\")%> " + "does not allow a negated form", p); + return false; + } + if (type != ix86_opt_ix86_yes) gcc_unreachable (); diff --git a/gcc/testsuite/gcc.target/i386/pr96802-1.c b/gcc/testsuite/gcc.target/i386/pr96802-1.c new file mode 100644 index 0000000..e6ceb95 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr96802-1.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ + +/* Reject the negated form of non-negatable attributes. */ + +__attribute__ ((target ("no-general-regs-only"))) +int +foo (int a) +{ + return a + 1; +} + +/* { dg-error "does not allow a negated form" "" { target *-*-* } 0 } */ diff --git a/gcc/testsuite/gcc.target/i386/pr96802-2.c b/gcc/testsuite/gcc.target/i386/pr96802-2.c new file mode 100644 index 0000000..515f567 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr96802-2.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ + +/* Reject the negated form of non-negatable pragma target. */ + +#pragma GCC push_options +#pragma GCC target("no-general-regs-only") + +int +foo (int a) +{ + return a + 1; +} + +#pragma GCC pop_options + +/* { dg-error "does not allow a negated form" "" { target *-*-* } 0 } */ |