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Move common 32/64 bit in-memory FP constants to jit_State.

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Prerequisite for immovable IR.
Contributed by Peter Cawley.
This commit is contained in:
Mike Pall
2016-05-21 00:02:45 +02:00
parent 1931b38da5
commit cfa188f134
6 changed files with 77 additions and 34 deletions
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10
src/lj_ir.c
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@@ -204,12 +204,12 @@ typedef struct K64Array {
void lj_ir_k64_freeall(jit_State *J)
{
K64Array *k;
for (k = mref(J->k64, K64Array); k; ) {
for (k = mref(J->k64p, K64Array); k; ) {
K64Array *next = mref(k->next, K64Array);
lj_mem_free(J2G(J), k, sizeof(K64Array));
k = next;
}
setmref(J->k64, NULL);
setmref(J->k64p, NULL);
}
/* Get new 64 bit constant slot. */
@@ -223,7 +223,7 @@ static TValue *ir_k64_add(jit_State *J, K64Array *kp, uint64_t u64)
if (kp)
setmref(kp->next, kn); /* Chain to the end of the list. */
else
setmref(J->k64, kn); /* Link first array. */
setmref(J->k64p, kn); /* Link first array. */
kp = kn;
}
ntv = &kp->k[kp->numk++]; /* Add to current array. */
@@ -237,7 +237,7 @@ cTValue *lj_ir_k64_find(jit_State *J, uint64_t u64)
K64Array *k, *kp = NULL;
MSize idx;
/* Search for the constant in the whole chain of arrays. */
for (k = mref(J->k64, K64Array); k; k = mref(k->next, K64Array)) {
for (k = mref(J->k64p, K64Array); k; k = mref(k->next, K64Array)) {
kp = k; /* Remember previous element in list. */
for (idx = 0; idx < k->numk; idx++) { /* Search one array. */
TValue *tv = &k->k[idx];
@@ -254,7 +254,7 @@ TValue *lj_ir_k64_reserve(jit_State *J)
K64Array *k, *kp = NULL;
lj_ir_k64_find(J, 0); /* Intern dummy 0 to protect the reserved slot. */
/* Find last K64Array, if any. */
for (k = mref(J->k64, K64Array); k; k = mref(k->next, K64Array)) kp = k;
for (k = mref(J->k64p, K64Array); k; k = mref(k->next, K64Array)) kp = k;
return ir_k64_add(J, kp, 0); /* Set to 0. Final value is set later. */
}