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HPPA: Correct bogus logic when calling function pointers.

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* lib/jit_hppa-cpu.c: Correct code to call a function stored
	in a register or a patched function address.
This commit is contained in:
pcpa 2013-09-10 21:23:25 -03:00
parent 183ed91756
commit 455237673b
2 changed files with 19 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2013-09-10 Paulo Andrade <pcpa@gnu.org>
* lib/jit_hppa-cpu.c: Correct code to call a function stored
in a register or a patched function address.
2013-09-10 Paulo Andrade <pcpa@gnu.org>
* lib/jit_ia64-cpu.c: Correct incorrect logic when restoring

17
lib/jit_hppa-cpu.c
View file

@ -318,6 +318,7 @@ static void _f38(jit_state_t*,jit_int32_t,
#define BBI_N_GE(r,p,i) BBI_N_(BB_CC_GE,r,p,i)
#define BE(i,s,b) f19(0x38,b,s,i,0)
#define BE_L(i,s,b) f19(0x39,b,s,i,0)
#define BE_L_N(i,s,b) f19(0x39,b,s,i,1)
#define BLR(x,t) f21(0x3a,t,x,2,0)
#define BLR_N(x,t) f21(0x3a,t,x,2,1)
#define BREAK(i,j) f27(0,j,i)
@ -326,6 +327,7 @@ static void _f38(jit_state_t*,jit_int32_t,
#define BVE(b) f22(0x3a,b,6,0,0,0)
#define BVE_N(b) f22(0x3a,b,6,0,1,0)
#define BVE_L(b) f22(0x3a,b,7,0,0,0)
#define BVE_L_N(b) f22(0x3a,b,7,0,0,1)
#define II_C_NONE 0
#define II_C_M (1<<5)
#define II_C_S (1<<13)
@ -2548,16 +2550,25 @@ _jmpi_p(jit_state_t *_jit, jit_word_t i0)
static void
_callr(jit_state_t *_jit, jit_int32_t r0)
{
jit_word_t dyn;
jit_word_t imm;
if (r0 != _R1_REGNO)
COPY(r0, _R1_REGNO);
/* inline $$dyncall */
BBI_N_GE(_R1_REGNO, 30, 4); /* if (r1 & 2) { */
imm = _jit->pc.w;
BBI_N_GE(_R1_REGNO, 30, 0); /* if (r1 & 2) { */
DEPWRI(0, 31, 2, _R1_REGNO); /* r1 &= ~2; */
LDWI(4, _R1_REGNO, _R19_REGNO); /* r19 = r1[1]; */
LDWI(0, _R1_REGNO, _R1_REGNO); /* r1 = r1[0]; */
/* } */
BVE_L(_R1_REGNO);
STWL(_RP_REGNO, -24, _SP_REGNO);
dyn = _jit->pc.w;
jmpi(_jit->pc.w);
patch_at(imm, _jit->pc.w);
BVE_L_N(_R1_REGNO);
NOP();
patch_at(dyn, _jit->pc.w);
}
static void
@ -2577,8 +2588,8 @@ _calli(jit_state_t *_jit, jit_word_t i0)
if (w >= -32768 && w <= 32767)
B_L_N(w);
else {
movi(_R1_REGNO, w);
BLR_N(_R1_REGNO, _RP_REGNO);
movi(_R1_REGNO, i0);
BVE_L_N(_R1_REGNO);
}
NOP();
}