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(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
This commit is contained in:
Richard Kenner 1993-10-14 00:05:32 -04:00
parent 71d2371f87
commit 658231787c
1 changed files with 11 additions and 6 deletions
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17
gcc/config/alpha/alpha.h
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@ -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