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Several fixes

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This commit is contained in:
ceriel 1991-10-04 10:38:53 +00:00
parent bbe1e3ffdc
commit edf43fdf81
3 changed files with 115 additions and 28 deletions
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137
mach/sparc/ce/EM_table.x
View file

@ -10,10 +10,6 @@ define(`RETH_ST',`reg_i1')
define(`RETL_ST',`reg_i0')
define(`LIN_NO',`%g6')
define(`FIL_NAM',`%g7')
define(O0, reg_o0)
define(O1, reg_o1)
define(O2, reg_o2)
define(O3, reg_o3)
define(`BP_OFFSET',`'WINDOWSIZE)
define(`'`EM_BSIZE',EM_BSIZE)
@ -415,7 +411,7 @@ C_sti
C_sts(EM_WSIZE).
default ==>
arg_error( "loi", $1).
arg_error( "sti", $1).
C_sts
@ -449,8 +445,15 @@ C_sts
a= pop_reg_reg(&c);
else
a = pop_reg_c13(n);
if (type_of_tos() == T_float)
if (type_of_tos() == T_float) {
b= pop_float();
if (size < 4) {
"st $b,[%fp+64]";
free_reg(b);
b= alloc_reg();
"ld [%fp+64],$b";
}
}
else
b = pop_reg();
if (c)
@ -715,8 +718,8 @@ C_mli
"call mli4";
"nop" /* delay */
free_output();
forced_alloc_reg(O0);
push_reg(O0);
forced_alloc_reg(reg_o0);
push_reg(reg_o0);
}
}.
default ==>
@ -741,32 +744,27 @@ C_dvi
sprint (n_exp_str, "%d", n_exp);
n= pop_const(NULL);
a= pop_reg();
if (n <0)
{
b= alloc_reg();
"neg $a, $b";
free_reg(a);
a= b;
}
b= alloc_reg();
"sra $a, $n_exp_str, $b";
free_reg(a);
push_reg(b);
}
else
#endif
{
force_alloc_output();
pop_reg_as(reg_o1); /* denominator */
pop_reg_as(reg_o0); /* numerator */
#if MATH_DIVIDE
"call mathdvi4";
#else
"call dvi4";
#endif
"nop"
free_output();
forced_alloc_reg(reg_o0);
push_reg(reg_o0);
}
#else
not_implemented("dvi");
#endif /* MATH_DIVIDE */
}.
default ==>
arg_error( "dvi", $1).
@ -780,11 +778,15 @@ C_rmi
force_alloc_output();
pop_reg_as(reg_o1); /* denominator */
pop_reg_as(reg_o0); /* numerator */
#if MATH_DIVIDE
"call mathdvi4";
#else
"call dvi4";
#endif
"nop"
free_output();
forced_alloc_reg(O1);
push_reg(O1);
forced_alloc_reg(reg_o1);
push_reg(reg_o1);
}.
default ==>
arg_error( "rmi", $1).
@ -899,8 +901,8 @@ C_mlu
"call mlu4";
"nop"
free_output();
forced_alloc_reg(O0);
push_reg(O0);
forced_alloc_reg(reg_o0);
push_reg(reg_o0);
}.
*/
default ==>
@ -956,8 +958,8 @@ C_rmu
"call dvu4";
"nop"
free_output();
forced_alloc_reg(O1);
push_reg(O1);
forced_alloc_reg(reg_o1);
push_reg(reg_o1);
}.
default ==>
arg_error( "rmu", $1).
@ -1785,8 +1787,89 @@ C_cfi ==>
}.
C_cfu ==>
Comment0( cfu );
C_cfi().
{
reg_t a; /* target (int) size */
reg_t b; /* src (float) size */
int n1; /* target (int) size */
int n2; /* src (float) size */
const_str_t n1_str;
Comment0( cfu );
a= NULL;
b= NULL;
if (type_of_tos() != T_cst)
{
a= pop_reg();
b= pop_reg();
}
else
{
n1= pop_const (n1_str);
if (type_of_tos() != T_cst)
{
a= alloc_reg();
"set $n1_str, $a";
b= pop_reg();
}
else
n2= pop_const(NULL);
}
if (!a)
{
if (n1 != EM_WSIZE)
arg_error ("unimp cfu", n1);
force_alloc_output();
flush_cache();
if (n2 == EM_WSIZE)
{
"call cfu4";
"nop";
}
else if (n2 == EM_DSIZE)
{
"call cfu8";
"nop";
}
else
arg_error ("unimp cfu", n2);
soft_alloc_reg(reg_o0);
free_output();
push_reg(reg_o0);
}
else
{
flush_cache();
force_alloc_output();
"cmp $a, 4";
"bne 0f";
"nop";
"cmp $b, 4";
"be 4f";
"nop";
"cmp $b, 8";
"bne 0f";
"nop";
"8:";
"call cfu8";
"nop";
"b 1f";
"4:";
"call cfu4";
"nop";
"b 1f";
"0:";
"set E_EM_CFU, %o0";
"call trp";
"nop";
"1:";
free_reg(a);
free_reg(b);
soft_alloc_reg(reg_o0);
free_output();
push_reg(reg_o0);
}
}.
C_cff ==>
{
@ -4611,7 +4694,7 @@ C_locals ==>
{
Comment( locals , $1 );
soft_alloc_reg(reg_sp);
soft_alloc_reg(reg_lb);
push_reg(reg_lb);
inc_tos(-($1));
pop_reg_as(reg_sp);

4
mach/sparc/ce/cache.c.x
View file

@ -680,6 +680,10 @@ if (debug) { indent(); fprintf(stderr,"pop_reg_c13()=...\n"); }
free_reg(S3);
S1 = S2;
}
else {
free_reg(S1);
S1 = S3;
}
tos->cst &= 0x3FF;
}
sprint(n, "%d", tos->cst);

2
mach/sparc/ce/mach_em.h
View file

@ -52,7 +52,7 @@
#define FLTSAV_OFFSET (WINDOWSIZE + FLOATTRANS)
#define REGSAV (WINDOWSIZE + FLOATTRANS + ALIGN_GAP + FLTSAV)
#define MATH_DIVIDE 1
#undef MATH_DIVIDE 1
#ifndef DEBUG
#undef arg_error