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Sat Nov 22 15:50:09 1997 Klaus Kaempf <kkaempf@progis.de>

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* config/tc-alpha.c (alpha_basereg_clobbered): Remove variable and
	all corresponding code.
This commit is contained in:
Ian Lance Taylor 1997-11-22 20:52:29 +00:00
parent fbf760a8ab
commit c699ff0403
2 changed files with 43 additions and 38 deletions
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5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
Sat Nov 22 15:50:09 1997 Klaus Kaempf <kkaempf@progis.de>
* config/tc-alpha.c (alpha_basereg_clobbered): Remove variable and
all corresponding code.
Thu Nov 20 15:06:08 1997 Richard Earnshaw <rearnsha@arm.com>
* config/tc-arm.h (TARGET_FORMAT for generic a.out targets): Allow

76
gas/config/tc-alpha.c
View File

@ -398,7 +398,6 @@ static int alpha_flag_show_after_trunc = 0; /* -H */
* longer than 64 characters, else longer symbol names are truncated.
*/
static int alpha_basereg_clobbered;
#endif
/* A table of CPU names and opcode sets. */
@ -2269,16 +2268,6 @@ load_expression (targreg, exp, pbasereg, poffset)
#ifdef OBJ_EVAX
offsetT link;
if (alpha_basereg_clobbered)
{
/* no basereg, reload basreg from 0(FP). */
set_tok_reg (newtok[0], targreg);
set_tok_const (newtok[1], 0);
set_tok_preg (newtok[2], AXP_REG_FP);
basereg = targreg;
assemble_tokens ("ldq", newtok, 3, 0);
}
/* Find symbol or symbol pointer in link section. */
if (exp->X_add_symbol == alpha_evax_proc.symbol)
@ -2602,15 +2591,6 @@ emit_ir_load (tok, ntok, opname)
}
emit_insn (&insn);
#ifdef OBJ_EVAX
/* special hack. If the basereg is clobbered for a call
all lda's before the call don't have a basereg. */
if ((tok[0].X_op == O_register)
&& (tok[0].X_add_number == alpha_gp_register))
{
alpha_basereg_clobbered = 1;
}
#endif
}
/* Handle fp register loads, and both integer and fp register stores.
@ -3249,19 +3229,6 @@ emit_jsrjmp (tok, ntok, vopname)
}
emit_insn (&insn);
#ifdef OBJ_EVAX
alpha_basereg_clobbered = 0;
/* reload PV from 0(FP) if it is our current base register. */
if (alpha_gp_register == AXP_REG_PV)
{
set_tok_reg (newtok[0], AXP_REG_PV);
set_tok_const (newtok[1], 0);
set_tok_preg (newtok[2], AXP_REG_FP);
assemble_tokens ("ldq", newtok, 3, 0);
}
#endif
}
/* The ret and jcr instructions differ from their instruction
@ -3329,9 +3296,10 @@ s_alpha_data (i)
alpha_current_align = 0;
}
#ifdef OBJ_ECOFF
#if defined (OBJ_ECOFF) || defined (OBJ_EVAX)
/* Handle the OSF/1 .comm pseudo quirks. */
/* Handle the OSF/1 and openVMS .comm pseudo quirks.
openVMS constructs a section for every common symbol. */
static void
s_alpha_comm (ignore)
@ -3343,6 +3311,12 @@ s_alpha_comm (ignore)
offsetT temp;
register symbolS *symbolP;
#ifdef OBJ_EVAX
segT current_section = now_seg;
int current_subsec = now_subseg;
segT new_seg;
#endif
name = input_line_pointer;
c = get_symbol_end ();
@ -3369,6 +3343,11 @@ s_alpha_comm (ignore)
symbolP = symbol_find_or_make (name);
*p = c;
#ifdef OBJ_EVAX
/* Make a section for the common symbol. */
new_seg = subseg_new (xstrdup (name), 0);
#endif
if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
{
as_bad ("Ignoring attempt to re-define symbol");
@ -3376,6 +3355,16 @@ s_alpha_comm (ignore)
return;
}
#ifdef OBJ_EVAX
if (bfd_section_size (stdoutput, new_seg) > 0)
{
if (bfd_section_size (stdoutput, new_seg) != temp)
as_bad ("Length of .comm \"%s\" is already %ld. Not changed to %ld.",
S_GET_NAME (symbolP),
(long) bfd_section_size (stdoutput, new_seg),
(long) temp);
}
#else
if (S_GET_VALUE (symbolP))
{
if (S_GET_VALUE (symbolP) != (valueT) temp)
@ -3384,12 +3373,25 @@ s_alpha_comm (ignore)
(long) S_GET_VALUE (symbolP),
(long) temp);
}
#endif
else
{
#ifdef OBJ_EVAX
subseg_set (new_seg, 0);
p = frag_more (temp);
new_seg->flags |= SEC_IS_COMMON;
if (! S_IS_DEFINED (symbolP))
symbolP->bsym->section = new_seg;
#else
S_SET_VALUE (symbolP, (valueT) temp);
#endif
S_SET_EXTERNAL (symbolP);
}
#ifdef OBJ_EVAX
subseg_set (current_section, current_subsec);
#endif
know (symbolP->sy_frag == &zero_address_frag);
demand_empty_rest_of_line ();
@ -3490,7 +3492,6 @@ static void
s_alpha_prologue (ignore)
int ignore;
{
alpha_basereg_clobbered = 0;
demand_empty_rest_of_line ();
return;
@ -3886,7 +3887,6 @@ s_alpha_end (ignore)
*input_line_pointer = c;
demand_empty_rest_of_line ();
alpha_evax_proc.symbol = 0;
alpha_basereg_clobbered = 0;
return;
}
@ -4312,7 +4312,7 @@ const pseudo_typeS md_pseudo_table[] =
{ "end", s_alpha_end, 0},
{ "file", s_alpha_file, 0},
{ "rdata", s_alpha_section, 1},
{ "comm", s_alpha_section, 2},
{ "comm", s_alpha_comm, 0},
{ "link", s_alpha_section, 3},
{ "ctors", s_alpha_section, 4},
{ "dtors", s_alpha_section, 5},