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| author | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-08-11 20:42:29 -0400 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2015-09-15 23:01:31 -0400 |
| commit | 79c3d8968b7c2a7b450455a79b60562c9f436ea3 (patch) | |
| tree | 7cdcce5368d03438cd58bcd4e0be822f9aa017be /lisc/isel.c | |
| parent | 7ce4d334e54433f7e67d91baa9edb25adb26975b (diff) | |
| download | roux-79c3d8968b7c2a7b450455a79b60562c9f436ea3.tar.gz | |
fail on constant comparisons
In the future they will be eliminated by constant propagation.
Diffstat (limited to 'lisc/isel.c')
| -rw-r--r-- | lisc/isel.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/lisc/isel.c b/lisc/isel.c index 7670eff..260c32b 100644 --- a/lisc/isel.c +++ b/lisc/isel.c @@ -72,22 +72,16 @@ static void selcmp(Ref arg[2], Fn *fn) { Ref r; - int con, lng; + int lng; - con = 0; if (rtype(arg[0]) == RCon) { r = arg[1]; arg[1] = arg[0]; arg[0] = r; - if (rtype(r) == RCon) { - con = 1; - arg[0] = newtmp(TWord, fn); - } + assert(rtype(r) != RCon); } lng = islong(arg[0], fn) || islong(arg[1], fn); emit(lng ? OXCmpl : OXCmpw, R, arg[1], arg[0]); - if (con) - emit(OCopy, arg[0], r, R); r = arg[0]; if (lng && rtype(r) == RCon && noimm(r, fn)) { curi->arg[0] = newtmp(TLong, fn); |