diff options
-rw-r--r-- | gcc/c-family/c-common.c | 17 | ||||
-rw-r--r-- | gcc/doc/extend.texi | 8 | ||||
-rw-r--r-- | gcc/testsuite/gcc.target/i386/attr-optimize.c | 24 | ||||
-rw-r--r-- | gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c | 2 | ||||
-rw-r--r-- | gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c | 2 | ||||
-rw-r--r-- | gcc/toplev.c | 8 | ||||
-rw-r--r-- | gcc/toplev.h | 1 |
7 files changed, 56 insertions, 6 deletions
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c index c6757f0..7b99a55 100644 --- a/gcc/c-family/c-common.c +++ b/gcc/c-family/c-common.c @@ -5904,9 +5904,22 @@ parse_optimize_options (tree args, bool attr_p) j++; } decoded_options_count = j; - /* And apply them. */ + + /* Merge the decoded options with save_decoded_options. */ + unsigned save_opt_count = save_opt_decoded_options.length (); + unsigned merged_decoded_options_count + = save_opt_count + decoded_options_count; + cl_decoded_option *merged_decoded_options + = XNEWVEC (cl_decoded_option, merged_decoded_options_count); + + for (unsigned i = 0; i < save_opt_count; ++i) + merged_decoded_options[i] = save_opt_decoded_options[i]; + for (unsigned i = 0; i < decoded_options_count; ++i) + merged_decoded_options[save_opt_count + i] = decoded_options[i]; + + /* And apply them. */ decode_options (&global_options, &global_options_set, - decoded_options, decoded_options_count, + merged_decoded_options, merged_decoded_options_count, input_location, global_dc, NULL); free (decoded_options); diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index b4c5376..133b82e 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -3663,7 +3663,10 @@ take function pointer arguments. @cindex @code{optimize} function attribute The @code{optimize} attribute is used to specify that a function is to be compiled with different optimization options than specified on the -command line. Valid arguments are constant non-negative integers and +command line. The optimize attribute arguments of a function behave +behave as if appended to the command-line. + +Valid arguments are constant non-negative integers and strings. Each numeric argument specifies an optimization @var{level}. Each @var{string} argument consists of one or more comma-separated substrings. Each substring that begins with the letter @code{O} refers @@ -3867,7 +3870,8 @@ This attribute prevents stack protection code for the function. Multiple target back ends implement the @code{target} attribute to specify that a function is to be compiled with different target options than specified on the -command line. One or more strings can be provided as arguments. +command line. The original target command-line options are ignored. +One or more strings can be provided as arguments. Each string consists of one or more comma-separated suffixes to the @code{-m} prefix jointly forming the name of a machine-dependent option. @xref{Submodel Options,,Machine-Dependent Options}. diff --git a/gcc/testsuite/gcc.target/i386/attr-optimize.c b/gcc/testsuite/gcc.target/i386/attr-optimize.c new file mode 100644 index 0000000..f5db028f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/attr-optimize.c @@ -0,0 +1,24 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-O1 -ftree-slp-vectorize -march=znver1 -fdump-tree-optimized" } */ + +/* Use -O2, but -ftree-slp-vectorize option should be preserved and used. */ +#pragma GCC optimize "-O2" + +typedef struct { + long n[4]; +} secp256k1_fe; + +void *a; +int c; +static void +fn1(secp256k1_fe *p1, int p2) +{ + p1->n[0] = p1->n[1] = p2; +} +void +fn2() +{ + fn1(a, !c); +} + +/* { dg-final { scan-tree-dump { MEM <vector\(2\) long int> \[[^]]*\] = } "optimized" } } */ diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c index 1ba8172..40aefb5 100644 --- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c +++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-3.c @@ -8,7 +8,7 @@ #define MAX 1000 #define EPS 0.00001 -__attribute__ ((noinline, optimize (1))) +__attribute__ ((noinline, optimize (1, "-fno-fast-math"))) void static compute_rsqrt_ref (float *a, float *r) { diff --git a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c index e067a81..498f4d5 100644 --- a/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c +++ b/gcc/testsuite/gcc.target/i386/avx512er-vrsqrt28ps-5.c @@ -8,7 +8,7 @@ #define MAX 1000 #define EPS 0.00001 -__attribute__ ((noinline, optimize (1))) +__attribute__ ((noinline, optimize (1, "-fno-fast-math"))) void static compute_sqrt_ref (float *a, float *r) { diff --git a/gcc/toplev.c b/gcc/toplev.c index e1688aa..78bb7e9 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -121,6 +121,9 @@ static bool no_backend; struct cl_decoded_option *save_decoded_options; unsigned int save_decoded_options_count; +/* Vector of saved Optimization decoded command line options. */ +auto_vec<cl_decoded_option> save_opt_decoded_options; + /* Used to enable -fvar-tracking, -fweb and -frename-registers according to optimize in process_options (). */ #define AUTODETECT_VALUE 2 @@ -2334,6 +2337,11 @@ toplev::main (int argc, char **argv) &save_decoded_options, &save_decoded_options_count); + /* Save Optimization decoded options. */ + for (unsigned i = 0; i < save_decoded_options_count; ++i) + if (cl_options[save_decoded_options[i].opt_index].flags & CL_OPTIMIZATION) + save_opt_decoded_options.safe_push (save_decoded_options[i]); + /* Perform language-specific options initialization. */ lang_hooks.init_options (save_decoded_options_count, save_decoded_options); diff --git a/gcc/toplev.h b/gcc/toplev.h index f543554..c44c5ff 100644 --- a/gcc/toplev.h +++ b/gcc/toplev.h @@ -23,6 +23,7 @@ along with GCC; see the file COPYING3. If not see /* Decoded options, and number of such options. */ extern struct cl_decoded_option *save_decoded_options; extern unsigned int save_decoded_options_count; +extern auto_vec<cl_decoded_option> save_opt_decoded_options; class timer; |