ref: 4f388adfd3574c516b7e7c6ef36324d483b0c2d6
parent: 0df4f021feb170f1dbd7ec5946234f6a6334b167
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Mon Jan 25 07:35:35 EST 2016
[cc1] Add ptrdiff_t type This is the type used for the difference between pointers, and it not always has the same size than int.
--- a/cc1/arch/amd64-sysv/arch.c
+++ b/cc1/arch/amd64-sysv/arch.c
@@ -211,7 +211,19 @@
.letter = L_ELLIPSIS,
.defined = 1,
.printed = 1
- }
+ },
+ { /* 19 = pdifftype */+ .op = INT,
+ .letter = L_LONG,
+ .defined = 1,
+ .size = 8,
+ .integer = 1,
+ .arith = 1,
+ .align = 8,
+ .sign = 1,
+ .n.rank = RANK_LONG,
+ .printed = 1
+ },
};
Type *voidtype = &types[0], *pvoidtype = &types[1],
@@ -222,7 +234,8 @@
*longtype = &types[10], *ulongtype = &types[11],
*ullongtype = &types[12], *llongtype = &types[13],
*floattype = &types[14], *doubletype = &types[15],
- *ldoubletype = &types[16], *sizettype = &types[17],
+ *ldoubletype = &types[16],
+ *sizettype = &types[17], *pdifftype = &types[19],
*ellipsistype = &types[18];
static Symbol dummy0 = {.u.i = 0, .type = &types[9]},--- a/cc1/arch/i386-sysv/arch.c
+++ b/cc1/arch/i386-sysv/arch.c
@@ -211,9 +211,22 @@
.letter = L_ELLIPSIS,
.defined = 1,
.printed = 1
- }
+ },
+ { /* 19 = pdifftype */+ .op = INT,
+ .letter = L_INT,
+ .defined = 1,
+ .size = 4,
+ .integer = 1,
+ .arith = 1,
+ .align = 4,
+ .sign = 1,
+ .n.rank = RANK_INT,
+ .printed = 1
+ },
};
+
Type *voidtype = &types[0], *pvoidtype = &types[1],
*booltype = &types[2], *schartype = &types[3],
*uchartype = &types[4], *chartype = &types[5],
@@ -222,8 +235,10 @@
*longtype = &types[10], *ulongtype = &types[11],
*ullongtype = &types[12], *llongtype = &types[13],
*floattype = &types[14], *doubletype = &types[15],
- *ldoubletype = &types[16], *sizettype = &types[17],
+ *ldoubletype = &types[16],
+ *sizettype = &types[17], *pdifftype = &types[19],
*ellipsistype = &types[18];
+
static Symbol dummy0 = {.u.i = 0, .type = &types[9]}, dummy1 = {.u.i = 1, .type = &types[9]};--- a/cc1/arch/z80/arch.c
+++ b/cc1/arch/z80/arch.c
@@ -211,7 +211,19 @@
.letter = L_ELLIPSIS,
.defined = 1,
.printed = 1
- }
+ },
+ { /* 7 = pdifftype */+ .op = INT,
+ .letter = L_SHORT,
+ .defined = 1,
+ .size = 2,
+ .integer = 1,
+ .arith = 1,
+ .align = 1,
+ .sign = 1,
+ .n.rank = RANK_SHORT,
+ .printed = 1
+ },
};
Type *voidtype = &types[0], *pvoidtype = &types[1],
@@ -222,7 +234,8 @@
*longtype = &types[10], *ulongtype = &types[11],
*ullongtype = &types[12], *llongtype = &types[13],
*floattype = &types[14], *doubletype = &types[15],
- *ldoubletype = &types[16], *sizettype = &types[17],
+ *ldoubletype = &types[16],
+ *sizettype = &types[17], *pdifftype = &types[19],
*ellipsistype = &types[18];
static Symbol dummy0 = {.u.i = 0, .type = &types[9]},--- a/cc1/cc1.h
+++ b/cc1/cc1.h
@@ -433,7 +433,8 @@
extern Type *voidtype, *pvoidtype, *booltype,
*uchartype, *chartype, *schartype,
- *uinttype, *inttype, *sizettype,
+ *uinttype, *inttype,
+ *sizettype, *pdifftype,
*ushortype, *shortype,
*longtype, *ulongtype,
*ullongtype, *llongtype,
--- a/cc1/expr.c
+++ b/cc1/expr.c
@@ -318,7 +318,7 @@
if (op == OSUB && BTYPE(rp) == PTR) {if (tp != rp->type)
goto incorrect;
- lp = node(OSUB, inttype, lp, rp);
+ lp = node(OSUB, pdifftype, lp, rp);
return node(ODIV, inttype, lp, size);
}
if (!rp->type->integer)