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sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of save+restore.

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* sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
save+restore.  Fix pic+big_offset delay slot.  Use "pic" case for
unix always, since we want to be able to thunk to functions in a
shared library from an application.

From-SVN: r17262
This commit is contained in:
Richard Henderson 1997-12-29 16:02:54 -08:00 committed by Richard Henderson
parent 975602f82c
commit 194faace59
2 changed files with 16 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
* sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
save+restore. Fix pic+big_offset delay slot. Use "pic" case for
unix always, since we want to be able to thunk to functions in a
shared library from an application.
Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
* mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.

14
gcc/config/sparc/sparc.h
View File

@ -3017,11 +3017,15 @@ do { \
int big_delta = (DELTA) >= 4096 || (DELTA) < -4096; \
if (big_delta) \
fprintf (FILE, "\tset %d,%%g1\n\tadd %%o0,%%g1,%%o0\n", (DELTA)); \
if (flag_pic) \
/* Don't use the jmp solution unless we know the target is local to \
the application or shared object. \
XXX: Wimp out and don't actually check anything except if this is \
an embedded target where we assume there are no shared libs. */ \
if (!TARGET_CM_EMBMEDANY || flag_pic) \
{ \
if (! big_delta) \
fprintf (FILE, "\tadd %%o0,%d,%%o0\n", DELTA); \
fprintf (FILE, "\tsave %%sp,-112,%%sp\n"); \
fprintf (FILE, "\tmov %%o7,%%g1\n"); \
fprintf (FILE, "\tcall "); \
assemble_name \
(FILE, IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (FUNCTION))); \
@ -3044,10 +3048,10 @@ do { \
(FILE, IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (FUNCTION))); \
fprintf (FILE, ")\n"); \
} \
if (big_delta) \
if (!TARGET_CM_EMBMEDANY || flag_pic) \
fprintf (FILE, "\tmov %%g1,%%o7\n"); \
else if (big_delta) \
fprintf (FILE, "\tnop\n"); \
else if (flag_pic) \
fprintf (FILE, "\trestore\n"); \
else \
fprintf (FILE, "\tadd %%o0,%d,%%o0\n", DELTA); \
} while (0)