diff options
| author | Sigrid Solveig Haflínudóttir <sigrid@ftrv.se> | 2023-05-16 15:39:00 +0000 |
|---|---|---|
| committer | Sigrid Solveig Haflínudóttir <sigrid@ftrv.se> | 2023-05-16 15:39:00 +0000 |
| commit | d4ce962fe33f3eca8da0b4ab2b5a81cc5359b71f (patch) | |
| tree | 07d7ec1e80533b83d78dbd1838f701a8a56779c8 /sys/src/cmd/7l/asmout.c | |
| parent | 5e4b3a7490d301a7547a021bf1cf1e2d0f25de21 (diff) | |
7l: use floating point immediates where possible
Diffstat (limited to 'sys/src/cmd/7l/asmout.c')
| -rw-r--r-- | sys/src/cmd/7l/asmout.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/sys/src/cmd/7l/asmout.c b/sys/src/cmd/7l/asmout.c index 9d29c30e3..342c35687 100644 --- a/sys/src/cmd/7l/asmout.c +++ b/sys/src/cmd/7l/asmout.c @@ -742,12 +742,11 @@ asmout(Prog *p, Optab *o) o1 = oprrr(p->as); if(p->from.type == D_FCONST) { rf = chipfloat(p->from.ieee); - if(rf < 0 || 1){ + if(rf < 0) diag("invalid floating-point immediate\n%P", p); - rf = 0; - } - rf |= (1<<3); - } else + rf = rf<<(13-5) | 1<<(12-5); + o1 &= ~(0x10<<10); + }else rf = p->from.reg; rt = p->to.reg; r = p->reg; @@ -756,7 +755,7 @@ asmout(Prog *p, Optab *o) rf = 0; }else if(r == NREG) r = rt; - o1 |= (rf << 16) | (r<<5) | rt; + o1 |= rf<<16 | r<<5 | rt; break; case 56: /* floating point compare */ |