scc

simple C compiler
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commit 11a557fc44cb50172c5ae35b701a35e4265b1a35
parent de7c12f6f60a817c25ddff8488f55ed496987155
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed, 27 Sep 2017 22:34:22 +0200

[as] Add skeleton to check size of IMM operands

At this moment this check is not performed, but the call to
the correct function is added.

Diffstat:
as/as.h | 1+
as/symbol.c | 7+++++++
as/target/z80/proc.c | 2++
3 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/as/as.h b/as/as.h @@ -108,6 +108,7 @@ extern void emit(Section *sec, char *bytes, int nbytes); extern Section *section(char *name); extern Symbol *tmpsym(TUINT val); extern void killtmp(void); +extern int toobig(Node *np, int type); /* main.c */ extern Symbol *lookup(char *name, int type); diff --git a/as/symbol.c b/as/symbol.c @@ -115,6 +115,13 @@ deflabel(char *name) return sym; } +int +toobig(Node *np, int type) +{ + /* TODO */ + return 0; +} + char * pack(TUINT v, int n, int inc) { diff --git a/as/target/z80/proc.c b/as/target/z80/proc.c @@ -71,6 +71,8 @@ match(Op *op, Node **args) np = *args++; if (np->addr != AIMM) return 0; + if (toobig(np, arg)) + return 0; break; default: abort();