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hppa: Add initial jit_va_ calls to hppa

* lib/jit_hppa-cpu.c, lib/jit_hppa-fpu.c, lib/jit_hppa.c:
	Add base support to jit vararg functions to the hppa backend.
This commit is contained in:
pcpa 2015-05-19 19:39:28 -03:00
parent 6d8f8eb604
commit fdd55b903a
4 changed files with 87 additions and 5 deletions

View file

@ -1,3 +1,8 @@
2015-06-19 Paulo Andrade <pcpa@gnu.org>
* lib/jit_hppa-cpu.c, lib/jit_hppa-fpu.c, lib/jit_hppa.c:
Add base support to jit vararg functions to the hppa backend.
2015-06-10 Paulo Andrade <pcpa@gnu.org>
* lib/jit_ia64-cpu.c, lib/jit_ia64-fpu.c, lib/jit_ia64.c:

View file

@ -802,6 +802,7 @@ static void _ldi_us(jit_state_t*,jit_int32_t,jit_word_t);
#define ldxr_us(r0,r1,r2) LDH(r2,r1,r0)
#define ldxi_us(r0,r1,i0) _ldxi_us(_jit,r0,r1,i0)
static void _ldxi_us(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t);
#define ldr(r0,r1) ldr_ui(r0,r1)
#define ldr_i(r0,r1) ldr_ui(r0,r1)
#define ldr_ui(r0,r1) LDWI(_R0_REGNO,r1,r0)
#define ldi_i(r0,i0) ldi_ui(r0,i0)
@ -919,6 +920,10 @@ static jit_word_t _calli_p(jit_state_t*,jit_word_t);
static void _prolog(jit_state_t*, jit_node_t*);
#define epilog(node) _epilog(_jit, node)
static void _epilog(jit_state_t*, jit_node_t*);
#define vastart(r0) _vastart(_jit, r0)
static void _vastart(jit_state_t*, jit_int32_t);
#define vaarg(r0, r1) _vaarg(_jit, r0, r1)
static void _vaarg(jit_state_t*, jit_int32_t, jit_int32_t);
#define patch_at(i,l) _patch_at(_jit,i,l)
static void _patch_at(jit_state_t*,jit_word_t,jit_word_t);
#endif
@ -1666,10 +1671,14 @@ static void
_subi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
{
jit_int32_t reg;
reg = jit_get_reg(jit_class_gpr);
movi(rn(reg), i0);
subr(r0, r1, rn(reg));
jit_unget_reg(reg);
if (i0 >= -1023 && i0 <= 1024)
addi(r0, r1, -i0);
else {
reg = jit_get_reg(jit_class_gpr);
movi(rn(reg), i0);
subr(r0, r1, rn(reg));
jit_unget_reg(reg);
}
}
static void
@ -2688,6 +2697,11 @@ _prolog(jit_state_t *_jit, jit_node_t *node)
stxi_i(_jitc->function->aoffoff, _FP_REGNO, rn(regno));
jit_unget_reg(regno);
}
if (_jitc->function->self.call & jit_call_varargs) {
for (regno = 3; regno >= _jitc->function->vagp; --regno)
stxi(params_offset - regno * 4 - 4, _FP_REGNO, rn(_R26 - regno));
}
}
static void
@ -2720,6 +2734,25 @@ _epilog(jit_state_t *_jit, jit_node_t *node)
#endif
}
static void
_vastart(jit_state_t *_jit, jit_int32_t r0)
{
/* Initialize stack pointer to the first stack argument. */
addi(r0, _FP_REGNO, params_offset - _jitc->function->vagp * 4);
}
static void
_vaarg(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
{
assert(_jitc->function->self.call & jit_call_varargs);
/* Update vararg stack pointer. */
subi(r1, r1, 4);
/* Load argument. */
ldr(r0, r1);
}
static void
_patch_at(jit_state_t *_jit, jit_word_t instr, jit_word_t label)
{

View file

@ -30,7 +30,8 @@
#define f39(o,b,x,t) _f39(_jit,o,b,x,t)
static void _f39(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t);
#define f40(o,b,x,r) _f40(_jit,o,b,x,r)
static void _f40(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t);
static void _f40(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t)
maybe_unused;
#define f41(o,b,x,t) _f41(_jit,o,b,x,t)
static void _f41(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t);
#define f42(o,b,i,r) _f42(_jit,o,b,i,r)
@ -486,6 +487,8 @@ static jit_word_t _bcmpi_d(jit_state_t*,jit_word_t,
#define bunordi_f(i0,r0,i1) bcmpi_f(FCMP_UNORD,i0,r0,i1)
#define bunordr_d(i0,r0,r1) bcmpr_d(FCMP_UNORD,i0,r0,r1)
#define bunordi_d(i0,r0,i1) bcmpi_d(FCMP_UNORD,i0,r0,i1)
#define vaarg_d(r0, r1) _vaarg_d(_jit, r0, r1)
static void _vaarg_d(jit_state_t*, jit_int32_t, jit_int32_t);
#endif
#if CODE
@ -1013,4 +1016,24 @@ _bcmpi_d(jit_state_t *_jit, jit_word_t c,
jit_unget_reg(reg);
return (w);
}
static void
_vaarg_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
{
jit_int32_t reg;
assert(_jitc->function->self.call & jit_call_varargs);
/* Align pointer if required. */
reg = jit_get_reg(jit_class_gpr);
andi(rn(reg), r1, 7);
subr(r1, r1, rn(reg));
jit_unget_reg(reg);
/* Adjust vararg stack pointer. */
subi(r1, r1, 8);
/* Load argument. */
ldr_d(r0, r1);
}
#endif

View file

@ -29,6 +29,11 @@
# include "jit_hppa-fpu.c"
#undef PROTO
/*
* Types
*/
typedef jit_pointer_t jit_va_list;
/*
* Prototypes
*/
@ -295,6 +300,8 @@ _jit_ellipsis(jit_state_t *_jit)
else {
assert(!(_jitc->function->self.call & jit_call_varargs));
_jitc->function->self.call |= jit_call_varargs;
_jitc->function->vagp = _jitc->function->self.argi;
}
}
@ -531,6 +538,7 @@ _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u)
if (jit_arg_reg_p(_jitc->function->call.argi)) {
jit_movr_f(_F4 - _jitc->function->call.argi, u);
#if !defined(__hpux)
/* HP-UX appears to always pass float arguments in gpr registers */
if (_jitc->function->call.call & jit_call_varargs)
#endif
{
@ -553,6 +561,7 @@ _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u)
if (jit_arg_reg_p(_jitc->function->call.argi)) {
jit_movi_f(_F4 - _jitc->function->call.argi, u);
#if !defined(__hpux)
/* HP-UX appears to always pass float arguments in gpr registers */
if (_jitc->function->call.call & jit_call_varargs)
#endif
{
@ -583,6 +592,7 @@ _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u)
if (jit_arg_reg_p(_jitc->function->call.argi)) {
jit_movr_d(_F4 - (_jitc->function->call.argi + 1), u);
#if !defined(__hpux)
/* HP-UX appears to always pass float arguments in gpr registers */
if (_jitc->function->call.call & jit_call_varargs)
#endif
{
@ -615,6 +625,7 @@ _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u)
if (jit_arg_reg_p(_jitc->function->call.argi)) {
jit_movi_d(_F4 - (_jitc->function->call.argi + 1), u);
#if !defined(__hpux)
/* HP-UX appears to always pass float arguments in gpr registers */
if (_jitc->function->call.call & jit_call_varargs)
#endif
{
@ -1251,9 +1262,19 @@ _emit_code(jit_state_t *_jit)
epilog(node);
_jitc->function = NULL;
break;
case jit_code_va_start:
vastart(rn(node->u.w));
break;
case jit_code_va_arg:
vaarg(rn(node->u.w), rn(node->v.w));
break;
case jit_code_va_arg_d:
vaarg_d(rn(node->u.w), rn(node->v.w));
break;
case jit_code_live:
case jit_code_arg:
case jit_code_arg_f: case jit_code_arg_d:
case jit_code_va_end:
break;
default:
abort();