mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-06-20 18:50:21 +02:00
Code Activity

PPC: Add initial powerpc le support.

Browse source
This commit is contained in:
pcpa 2014-11-20 21:25:52 -02:00
parent 3f397228f5
commit 6e34a532ae
4 changed files with 57 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

45
lib/jit_ppc-cpu.c
View file

@ -49,6 +49,7 @@
# define _SP_REGNO 1
# define _R2_REGNO 2
# define _R11_REGNO 11
# define _R12_REGNO 12
# define _FP_REGNO 31
# if __WORDSIZE == 32
# define ldr(r0,r1) ldr_i(r0,r1)
@ -325,8 +326,8 @@ static void _FXS(jit_state_t*,int,int,int,int,int,int,int);
# define NOP() ORI(0,0,0)
# define ORIS(d,a,u) FDu(25,a,d,u)
# define RFI() FXL(19,0,0,50)
# define RLWIMI(d,s,h,b,e) FM(20,s,a,h,b,e,0)
# define RLWIMI_(d,s,h,b,e) FM(20,s,a,h,b,e,1)
# define RLWIMI(d,s,h,b,e) FM(20,s,d,h,b,e,0)
# define RLWIMI_(d,s,h,b,e) FM(20,s,d,h,b,e,1)
# define INSLWI(a,s,n,b) RLWIMI(a,s,32-b,b,b+n-1)
# define INSRWI(a,s,n,b) RLWIMI(a,s,32-(b+n),b,(b+n)-1)
# define RLWINM(a,s,h,b,e) FM(21,s,a,h,b,e,0)
@ -472,7 +473,8 @@ static jit_word_t _movi_p(jit_state_t*,jit_int32_t,jit_word_t);
# if __BYTE_ORDER == __BIG_ENDIAN
# define htonr(r0,r1) movr(r0,r1)
# else
# error need htonr implementation
# define htonr(r0,r1) _htonr(_jit,r0,r1)
static void _htonr(jit_state_t*,jit_int32_t,jit_int32_t);
# endif
# define addr(r0,r1,r2) ADD(r0,r1,r2)
# define addi(r0,r1,i0) _addi(_jit,r0,r1,i0)
@ -1044,6 +1046,35 @@ _movi_p(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0)
return (word);
}
# if __BYTE_ORDER == __LITTLE_ENDIAN
static void
_htonr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
{
jit_int32_t reg;
# if __WORDSIZE == 64
jit_int32_t top;
top = jit_get_reg(jit_class_gpr);
rshi_u(rn(top), r1, 32);
# endif
reg = jit_get_reg(jit_class_gpr);
ROTLWI(rn(reg), r1, 8);
RLWIMI(rn(reg), r1, 24, 0, 7);
RLWIMI(rn(reg), r1, 24, 16, 23);
# if __WORDSIZE == 32
CLRLDI(r0, rn(reg), 32);
# else
lshi(r0, rn(reg), 32);
ROTLWI(rn(reg), rn(top), 8);
RLWIMI(rn(reg), rn(top), 24, 0, 7);
RLWIMI(rn(reg), rn(top), 24, 16, 23);
orr(r0, r0, rn(reg));
movr(r0, rn(top));
jit_unget_reg(top);
# endif
jit_unget_reg(reg);
}
# endif
static void
_addi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
{
@ -3030,6 +3061,9 @@ static void
_callr(jit_state_t *_jit, jit_int32_t r0)
{
# if __powerpc__
# if ABI_ELFv2
movr(_R12_REGNO, r0);
# else
stxi(sizeof(void*) * 5, _SP_REGNO, _R2_REGNO);
/* FIXME Pretend to not know about r11? */
if (r0 == _R0_REGNO) {
@ -3042,12 +3076,13 @@ _callr(jit_state_t *_jit, jit_int32_t r0)
ldxi(_R11_REGNO, r0, sizeof(void*) * 2);
}
ldr(r0, r0);
# endif
# endif
MTCTR(r0);
BCTRL();
# if __powerpc__
# if __powerpc__ && !ABI_ELFv2
ldxi(_R2_REGNO, _SP_REGNO, sizeof(void*) * 5);
# endif
}
@ -3219,7 +3254,7 @@ _patch_at(jit_state_t *_jit, jit_word_t instr, jit_word_t label)
u.i[0] = (u.i[0] & ~0xfffd) | (d & 0xfffe);
break;
case 18: /* Bx */
#if __powerpc__
#if __powerpc__ && !ABI_ELFv2
if (_jitc->jump && (!(u.i[0] & 1))) { /* jmpi label */
/* zero is used for toc and env, so, quick check
* if this is a "jmpi main" like initial jit