scc

Simple C99 Compiler
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commit d837853fa139f8c35929d1feebee52ba61fdc1d6
parent fe062f2c1e1fe5160ede00812c7ec7ebeaaf343e
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sun, 10 Aug 2014 22:44:15 +0200

Remove code generation of stubs

In this stage the most important point is to read the intermediate
code, so this code is going to generate too much aborts. In some
moment it will be recovered.

Diffstat:
cc2/cgen.c | 44--------------------------------------------
1 file changed, 0 insertions(+), 44 deletions(-)

diff --git a/cc2/cgen.c b/cc2/cgen.c @@ -125,26 +125,7 @@ xcgen(Node *np) switch (np->op) { case OADD: - if (rp->op == CONST) { - /* TODO: check that it is AUTO */ - off = lp->u.sym->u.v.off; - imm = rp->u.imm; - emit(LDI, A, imm&0xFF); - emit(ADDX, A, IX, -(off+1)); - emit(LD, L, A); - emit(LDI, A, imm >> 8); - emit(ADCX, A, IX, -off); - emit(LD, H, A); - } else { - abort(); - } - break; case OASSIG: - /* TODO: check that it is really in HL and AUTO */ - assert(lp->op == AUTO); - off = lp->u.sym->u.v.off; - emit(LDX, IX, -(off+1), L); - emit(LDX, IX, off, H); break; default: abort(); @@ -212,36 +193,11 @@ xaddable(Node *np) case OASSIG: case OADD: case OSUB: xaddable(lp); xaddable(rp); - switch (rp->addable) { - case 11: - switch (lp->addable) { - case 11: - case 20: - np->addable = 1; - goto complex; - default: - abort(); - } - case 20: - switch (lp->addable) { - case 20: - case 11: - np->addable = 1; - goto complex; - default: - abort(); - } - case 1: - break; - default: - abort(); - } break; default: abort(); } -complex: if (np->addable > 10) return; if (lp)