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| author | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2016-03-07 13:38:55 -0500 |
|---|---|---|
| committer | Quentin Carbonneaux <quentin.carbonneaux@yale.edu> | 2016-03-07 13:38:55 -0500 |
| commit | a55dd6fc07b38599e012f664c90125838009134a (patch) | |
| tree | e64a04c2dfb154504cb3b338d3e2b232434f441b | |
| parent | 4c855e3e125ff8bdf64b1970460e0d9fc2db52c1 (diff) | |
| download | roux-a55dd6fc07b38599e012f664c90125838009134a.tar.gz | |
refine immediate reload test
We only need to load all the bits of a large constant when it is used in long context.
| -rw-r--r-- | lisc/isel.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lisc/isel.c b/lisc/isel.c index 6a6f0f4..6834d17 100644 --- a/lisc/isel.c +++ b/lisc/isel.c @@ -81,7 +81,8 @@ noimm(Ref r, Fn *fn) { int64_t val; - assert(rtype(r) == RCon); + if (rtype(r) != RCon) + return 0; switch (fn->con[r.val].type) { default: diag("isel: invalid constant"); @@ -161,7 +162,7 @@ fixarg(Ref *r, int k, int phi, Fn *fn) sprintf(a.offset.label, ".Lfp%d", n); fn->mem[fn->nmem-1] = a; } - else if (!phi && rtype(r0) == RCon && noimm(r0, fn)) { + else if (!phi && k == Kl && noimm(r0, fn)) { /* load constants that do not fit in * a 32bit signed integer into a * long temporary |