diff options
| author | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-01-26 18:03:45 +0100 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@gmx.de> | 2013-01-26 18:03:45 +0100 |
| commit | ea0f58090923bd7e435c4f48eb751854a4292b9a (patch) | |
| tree | 8b138cec9ef636d436bae9d5a128643779b95754 /sys/src/cmd/5l/noop.c | |
| parent | bc610a1b1c32f6e2e9b034217bb3ce9a7defa739 (diff) | |
add arm vfp support to compiler and linker (from sources)
Diffstat (limited to 'sys/src/cmd/5l/noop.c')
| -rw-r--r-- | sys/src/cmd/5l/noop.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/src/cmd/5l/noop.c b/sys/src/cmd/5l/noop.c index 87cc851d0..e68c08f6f 100644 --- a/sys/src/cmd/5l/noop.c +++ b/sys/src/cmd/5l/noop.c @@ -302,6 +302,30 @@ noops(void) break; + /* + * 5c code generation for unsigned -> double made the + * unfortunate assumption that single and double floating + * point registers are aliased - true for emulated 7500 + * but not for vfp. Now corrected, but this test is + * insurance against old 5c compiled code in libraries. + */ + case AMOVWD: + if((q = p->link) != P && q->as == ACMP) + if((q = q->link) != P && q->as == AMOVF) + if((q1 = q->link) != P && q1->as == AADDF) + if(q1->to.type == D_FREG && q1->to.reg == p->to.reg) { + q1->as = AADDD; + q1 = prg(); + q1->scond = q->scond; + q1->line = q->line; + q1->as = AMOVFD; + q1->from = q->to; + q1->to = q1->from; + q1->link = q->link; + q->link = q1; + } + break; + case ADIV: case ADIVU: case AMOD: |