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rs6000.c (output_mi_thunk): Enable full support again. 

Fri May 21 21:19:02 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
        * rs6000.c (output_mi_thunk): Enable full support again.

From-SVN: r27087
This commit is contained in:
Franz Sirl 1999-05-21 18:23:29 +00:00 committed by David Edelsohn
parent adecb3f41f
commit 22b4a3b0b9
2 changed files with 18 additions and 17 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* rs6000.c (output_mi_thunk): Enable full support again.
Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
* sh.h (BRANCH_COST): Define.

31
gcc/config/rs6000/rs6000.c
View File

@ -4595,7 +4595,6 @@ output_mi_thunk (file, thunk_fndecl, delta, function)
const char *this_reg = reg_names[ aggregate_value_p (TREE_TYPE (TREE_TYPE (function))) ? 4 : 3 ];
const char *prefix;
char *fname;
#if 0
const char *r0 = reg_names[0];
const char *sp = reg_names[1];
const char *toc = reg_names[2];
@ -4603,12 +4602,11 @@ output_mi_thunk (file, thunk_fndecl, delta, function)
const char *r12 = reg_names[12];
char buf[512];
static int labelno = 0;
#endif
/* Small constants that can be done by one add instruction */
if (delta >= -32768 && delta <= 32767)
{
if (!TARGET_NEW_MNEMONICS)
if (! TARGET_NEW_MNEMONICS)
fprintf (file, "\tcal %s,%d(%s)\n", this_reg, delta, this_reg);
else
fprintf (file, "\taddi %s,%s,%d\n", this_reg, this_reg, delta);
@ -4622,7 +4620,7 @@ output_mi_thunk (file, thunk_fndecl, delta, function)
/* 32-bit constants that can be done by an add and addis instruction. */
else if (TARGET_32BIT || num_insns_constant_wide (delta) == 1)
{
/* Break into two pieces, propigating the sign bit from the low word to
/* Break into two pieces, propagating the sign bit from the low word to
the upper word. */
int delta_high = delta >> 16;
int delta_low = delta & 0xffff;
@ -4635,7 +4633,7 @@ output_mi_thunk (file, thunk_fndecl, delta, function)
asm_fprintf (file, "\t{cau|addis} %s,%s,%d\n", this_reg, this_reg,
delta_high);
if (!TARGET_NEW_MNEMONICS)
if (! TARGET_NEW_MNEMONICS)
fprintf (file, "\tcal %s,%d(%s)\n", this_reg, delta_low, this_reg);
else
fprintf (file, "\taddi %s,%s,%d\n", this_reg, this_reg, delta_low);
@ -4670,21 +4668,15 @@ output_mi_thunk (file, thunk_fndecl, delta, function)
Otherwise, load up its address and jump to it. */
fname = XSTR (XEXP (DECL_RTL (function), 0), 0);
#if 1
/* For now, just emit a branch always, until we can figure out better when we
need to load the address into the count register and emit the slower bctr
instruction. */
fprintf (file, "\tb %s", prefix);
assemble_name (file, fname);
fprintf (file, "\n");
#else
if (current_file_function_operand (XEXP (DECL_RTL (function), 0))
&& !lookup_attribute ("longcall", TYPE_ATTRIBUTES (TREE_TYPE (function))))
&& ! lookup_attribute ("longcall",
TYPE_ATTRIBUTES (TREE_TYPE (function))))
{
fprintf (file, "\tb %s", prefix);
assemble_name (file, fname);
fprintf (file, "\n");
if (DEFAULT_ABI == ABI_V4 && flag_pic) fputs ("@local", file);
fputs ("\n", file);
}
else
@ -4729,8 +4721,14 @@ output_mi_thunk (file, thunk_fndecl, delta, function)
asm_fprintf (file, "\tbctr\n");
break;
/* Don't use r11, that contains the static chain, just use r0/r12. */
case ABI_V4:
fprintf (file, "\tb %s", prefix);
assemble_name (file, fname);
if (flag_pic) fputs ("@plt", file);
fputs ("\n", file);
break;
/* Don't use r11, that contains the static chain, just use r0/r12. */
case ABI_AIX_NODESC:
case ABI_SOLARIS:
if (flag_pic == 1)
@ -4785,7 +4783,6 @@ output_mi_thunk (file, thunk_fndecl, delta, function)
break;
}
}
#endif /* #if 0 out code to use bctr for far away jumps */
}