scc

Simple C99 Compiler
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commit 2faa69e787edb65a43a9d58c394adf27eb4dcbc8
parent 9b054a5140eadd3ee241af25dd86ae82ad608669
Author: Roberto E. Vargas Caballero <Roberto E. Vargas Caballero>
Date:   Sat, 23 Apr 2016 01:16:30 +0200

[cc2-qbe] Add support for integer constants

They are needed in a lot of different places.

Diffstat:
cc2/arch/qbe/code.c | 17++++++++++-------
cc2/code.c | 3+--
2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/cc2/arch/qbe/code.c b/cc2/arch/qbe/code.c @@ -123,6 +123,7 @@ static struct opdata { [ASSLTOS]= {.fun = unary, .txt = "truncd", .letter = 's'}, }; +static char buff[ADDR_LEN]; /* * : is for user-defined Aggregate Types * $ is for globals (represented by a pointer) @@ -151,7 +152,6 @@ sigil(Symbol *sym) static char * symname(Symbol *sym) { - static char name[ADDR_LEN]; static unsigned id; char c = sigil(sym); @@ -159,12 +159,12 @@ symname(Symbol *sym) switch (sym->kind) { case SEXTRN: case SGLOB: - sprintf(name, "%c%s", c, sym->name); - return name; + sprintf(buff, "%c%s", c, sym->name); + return buff; case SPRIV: case SAUTO: - sprintf(name, "%c%s.%u", c, sym->name, sym->id); - return name; + sprintf(buff, "%c%s.%u", c, sym->name, sym->id); + return buff; default: abort(); } @@ -172,9 +172,9 @@ symname(Symbol *sym) if (sym->numid == 0 && (sym->numid = ++id) == 0) error(EIDOVER); - sprintf(name, "%c.%u", c, sym->numid); + sprintf(buff, "%c.%u", c, sym->numid); - return name; + return buff; } static void @@ -343,6 +343,9 @@ static char * addr2txt(Addr *a) { switch (a->kind) { + case SCONST: + sprintf(buff, "%llu", (unsigned long long) a->u.i); + return buff; case SAUTO: case SLABEL: case STMP: diff --git a/cc2/code.c b/cc2/code.c @@ -34,7 +34,7 @@ addr(Node *np, Addr *addr) addr->u.reg = np->u.reg; break; case SCONST: - abort(); + addr->u.i = np->u.i; break; case SLABEL: case SAUTO: @@ -44,7 +44,6 @@ addr(Node *np, Addr *addr) default: abort(); } - } void