scc

simple C compiler
git clone git://git.2f30.org/scc
Log | Files | Refs | README | LICENSE

commit 4ddd2d61847e132b3ced1e658d47e91529ab646f
parent e01112494a77bdf62e63e5332eb867def79c9326
Author: Michael Forney <mforney@mforney.org>
Date:   Fri, 17 Feb 2017 13:34:23 -0800

[cc2] Add missing * case to assign subop

This fixes *= assignment, which previously triggered a stack underflow.

Also, re-order the cases to match optbl.

Diffstat:
cc2/parser.c | 5+++--
tests/execute/0037-assignop.c | 7+++++--
2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/cc2/parser.c b/cc2/parser.c @@ -253,10 +253,11 @@ assign(char *token, union tokenop u) Node *np = newnode(u.op); switch (subop = *++token) { - case '/': - case '%': case '+': case '-': + case '*': + case '%': + case '/': case 'l': case 'r': case '&': diff --git a/tests/execute/0037-assignop.c b/tests/execute/0037-assignop.c @@ -9,9 +9,12 @@ main() x += 2; if (x != 4) return 1; - x -= 3; - if (x != 1) + x -= 1; + if (x != 3) return 2; + x *= 2; + if (x != 6) + return 3; return 0; }