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| author | Richard Kenner <kenner@gcc.gnu.org> | 1993-10-14 00:05:32 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1993-10-14 00:05:32 -0400 |
| commit | 658231787c8855dac4230eb5a880abb10724b9a0 (patch) | |
| tree | 8efbf91ad8d5f074720d6adad6d0d58ec7aa42a2 | |
| parent | 71d2371f87254f16bc67332e80a44d2104ba61e7 (diff) | |
| download | gcc-658231787c8855dac4230eb5a880abb10724b9a0.zip gcc-658231787c8855dac4230eb5a880abb10724b9a0.tar.gz gcc-658231787c8855dac4230eb5a880abb10724b9a0.tar.bz2 | |
(LINK_SPEC): Now OK to pass -O3 to linker.
(ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Work around bug in DEC
assembler.
From-SVN: r5788
| -rw-r--r-- | gcc/config/alpha/alpha.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index 8cda68e..e084894 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -49,11 +49,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define LIB_SPEC "-lc" -/* Pass "-G 8" to ld because Alpha's CC does. Pass -O2 if we are optimizing, +/* Pass "-G 8" to ld because Alpha's CC does. Pass -O3 if we are optimizing, -O1 if we are not. Pass -non_shared or -call_shared as appropriate. */ -/* Disable -O2 to ld; it seems to have problems. */ #define LINK_SPEC \ - "-G 8 %{O*:-O1} %{!O*:-O1} %{static:-non_shared} %{!static:-call_shared}" + "-G 8 %{O*:-O3} %{!O*:-O1} %{static:-non_shared} %{!static:-call_shared}" /* Print subsidiary information on the compiler version in use. */ #define TARGET_VERSION @@ -222,17 +221,23 @@ extern int target_flags; /* A bitfield declared as `int' forces `int' alignment for the struct. */ #define PCC_BITFIELD_TYPE_MATTERS 1 -/* Align loop starts for optimal branching. */ +/* Align loop starts for optimal branching. + + ??? Kludge this and the next macro for the moment by not doing anything if + we don't optimize and also if we are writing ECOFF symbols to work around + a bug in DEC's assembler. */ #define ASM_OUTPUT_LOOP_ALIGN(FILE) \ - ASM_OUTPUT_ALIGN (FILE, 5) + if (optimize > 0 && write_symbols != SDB_DEBUG) \ + ASM_OUTPUT_ALIGN (FILE, 5) /* This is how to align an instruction for optimal branching. On Alpha we'll get better performance by aligning on a quadword boundary. */ #define ASM_OUTPUT_ALIGN_CODE(FILE) \ - ASM_OUTPUT_ALIGN ((FILE), 4) + if (optimize > 0 && write_symbols != SDB_DEBUG) \ + ASM_OUTPUT_ALIGN ((FILE), 4) /* No data type wants to be aligned rounder than this. */ #define BIGGEST_ALIGNMENT 64 |