diff options
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/i386.c | 6 | ||||
| -rw-r--r-- | gcc/config/i386/linux.h | 8 | ||||
| -rw-r--r-- | gcc/config/i386/x86-64.h | 8 |
3 files changed, 17 insertions, 5 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 1a8fa110927..ad51cb616fe 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1726,16 +1726,16 @@ override_options (void) {&i386_cost, 4, 3, 4, 3, 4}, {&i486_cost, 16, 15, 16, 15, 16}, {&pentium_cost, 16, 7, 16, 7, 16}, - {&pentiumpro_cost, 16, 15, 16, 7, 16}, + {&pentiumpro_cost, 16, 15, 16, 10, 16}, {&geode_cost, 0, 0, 0, 0, 0}, {&k6_cost, 32, 7, 32, 7, 32}, {&athlon_cost, 16, 7, 16, 7, 16}, {&pentium4_cost, 0, 0, 0, 0, 0}, {&k8_cost, 16, 7, 16, 7, 16}, {&nocona_cost, 0, 0, 0, 0, 0}, - {&core2_cost, 16, 7, 16, 7, 16}, + {&core2_cost, 16, 10, 16, 10, 16}, {&generic32_cost, 16, 7, 16, 7, 16}, - {&generic64_cost, 16, 7, 16, 7, 16}, + {&generic64_cost, 16, 10, 16, 10, 16}, {&amdfam10_cost, 32, 24, 32, 7, 32} }; diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h index f0f7df600fa..04237ca2e30 100644 --- a/gcc/config/i386/linux.h +++ b/gcc/config/i386/linux.h @@ -145,7 +145,13 @@ Boston, MA 02110-1301, USA. */ do { \ if ((LOG) != 0) { \ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ - else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ + else { \ + fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ + /* Make sure that we have at least 8 byte alignment if > 8 byte \ + alignment is preferred. */ \ + if ((LOG) > 3 && (1 << (LOG)) > ((MAX_SKIP) + 1)) \ + fprintf ((FILE), "\t.p2align 3\n"); \ + } \ } \ } while (0) #endif diff --git a/gcc/config/i386/x86-64.h b/gcc/config/i386/x86-64.h index cb92a21f652..a7e3feaa0fd 100644 --- a/gcc/config/i386/x86-64.h +++ b/gcc/config/i386/x86-64.h @@ -66,7 +66,13 @@ Boston, MA 02110-1301, USA. */ do { \ if ((LOG) != 0) { \ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ - else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ + else { \ + fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ + /* Make sure that we have at least 8 byte alignment if > 8 byte \ + alignment is preferred. */ \ + if ((LOG) > 3 && (1 << (LOG)) > ((MAX_SKIP) + 1)) \ + fprintf ((FILE), "\t.p2align 3\n"); \ + } \ } \ } while (0) #endif |