diff options
Diffstat (limited to 'rv64')
| -rw-r--r-- | rv64/emit.c | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/rv64/emit.c b/rv64/emit.c index b34b424..841c555 100644 --- a/rv64/emit.c +++ b/rv64/emit.c @@ -104,11 +104,13 @@ static char *rname[] = { [T6] = "t6", [T0] = "t0", "t1", "t2", "t3", "t4", "t5", [A0] = "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", - [S1] = "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "s9", "s10", "s11", - - [FT0] = "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", "ft8", "ft9", "ft10", "ft11", + [S1] = "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8", + "s9", "s10", "s11", + [FT0] = "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", + "ft8", "ft9", "ft10", "ft11", [FA0] = "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", - [FS0] = "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", "fs10", "fs11", + [FS0] = "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", + "fs8", "fs9", "fs10", "fs11", }; static int64_t @@ -184,7 +186,7 @@ emitf(char *s, Ins *i, Fn *fn, FILE *f) case RCon: pc = &fn->con[r.val]; assert(pc->type == CBits); - assert(pc->bits.i >= -2048 && pc->bits.i <= 2047); + assert(pc->bits.i >= -2048 && pc->bits.i < 2048); fprintf(f, "%d", (int)pc->bits.i); break; } @@ -414,37 +416,50 @@ rv64_emitfn(Fn *fn, FILE *f) gasemitlnk(fn->name, &fn->lnk, ".text", f); if (fn->vararg) { - /* TODO: only need space for registers unused by named arguments */ + /* TODO: only need space for registers + * unused by named arguments + */ fprintf(f, "\tadd sp, sp, -64\n"); - for (r = A0; r <= A7; r++) - fprintf(f, "\tsd %s, %d(sp)\n", rname[r], 8 * (r - A0)); + for (r=A0; r<=A7; r++) + fprintf(f, + "\tsd %s, %d(sp)\n", + rname[r], 8 * (r - A0) + ); } fprintf(f, "\tsd fp, -16(sp)\n"); fprintf(f, "\tsd ra, -8(sp)\n"); fprintf(f, "\tadd fp, sp, -16\n"); frame = (16 + 4 * fn->slot + 15) & ~15; - for (pr = rv64_rclob; *pr>=0; pr++) { + for (pr=rv64_rclob; *pr>=0; pr++) { if (fn->reg & BIT(*pr)) frame += 8; } frame = (frame + 15) & ~15; if (frame <= 2048) - fprintf(f, "\tadd sp, sp, -%d\n", frame); + fprintf(f, + "\tadd sp, sp, -%d\n", + frame + ); else fprintf(f, "\tli t6, %d\n" "\tsub sp, sp, t6\n", - frame); - for (pr = rv64_rclob, off = 0; *pr >= 0; pr++) { + frame + ); + for (pr=rv64_rclob, off=0; *pr>=0; pr++) { if (fn->reg & BIT(*pr)) { - fprintf(f, "\t%s %s, %d(sp)\n", *pr < FT0 ? "sd" : "fsd", rname[*pr], off); + fprintf(f, + "\t%s %s, %d(sp)\n", + *pr < FT0 ? "sd" : "fsd", + rname[*pr], off + ); off += 8; } } - for (lbl = 0, b = fn->start; b; b=b->link) { + for (lbl=0, b=fn->start; b; b=b->link) { if (lbl || b->npred > 1) fprintf(f, ".L%d:\n", id0+b->id); for (i=b->ins; i!=&b->ins[b->nins]; i++) @@ -454,16 +469,24 @@ rv64_emitfn(Fn *fn, FILE *f) case Jret0: if (fn->dynalloc) { if (frame - 16 <= 2048) - fprintf(f, "\tadd sp, fp, -%d\n", frame - 16); + fprintf(f, + "\tadd sp, fp, -%d\n", + frame - 16 + ); else fprintf(f, "\tli t6, %d\n" - "\tsub sp, sp, t6\n", - frame - 16); + "\tsub sp, fp, t6\n", + frame - 16 + ); } - for (pr = rv64_rclob, off = 0; *pr >= 0; pr++) { + for (pr=rv64_rclob, off=0; *pr>=0; pr++) { if (fn->reg & BIT(*pr)) { - fprintf(f, "\t%s %s, %d(sp)\n", *pr < FT0 ? "ld" : "fld", rname[*pr], off); + fprintf(f, + "\t%s %s, %d(sp)\n", + *pr < FT0 ? "ld" : "fld", + rname[*pr], off + ); off += 8; } } @@ -491,7 +514,12 @@ rv64_emitfn(Fn *fn, FILE *f) neg = 1; } assert(isreg(b->jmp.arg)); - fprintf(f, "\tb%sz %s, .L%d\n", neg ? "ne" : "eq", rname[b->jmp.arg.val], id0+b->s2->id); + fprintf(f, + "\tb%sz %s, .L%d\n", + neg ? "ne" : "eq", + rname[b->jmp.arg.val], + id0+b->s2->id + ); goto Jmp; } } |