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| author | Ken Thompson <ken@golang.org> | 2010-12-09 14:45:27 -0800 |
|---|---|---|
| committer | Ken Thompson <ken@golang.org> | 2010-12-09 14:45:27 -0800 |
| commit | ae605268488e49f4c4f0e46ac0fb69d7129d9f0c (patch) | |
| tree | 89ed13760497ff493cb8ac3e9709749e20996154 /src/cmd/5l/softfloat.c | |
| parent | aa9c213e564d58026fd6f822d43c8f3f6e66c68b (diff) | |
| download | go-ae605268488e49f4c4f0e46ac0fb69d7129d9f0c.tar.xz | |
arm floating point simulation
R=rsc
CC=golang-dev
https://golang.org/cl/3565041
Diffstat (limited to 'src/cmd/5l/softfloat.c')
| -rw-r--r-- | src/cmd/5l/softfloat.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/cmd/5l/softfloat.c b/src/cmd/5l/softfloat.c index 8df8e5b3cb..fd66b09699 100644 --- a/src/cmd/5l/softfloat.c +++ b/src/cmd/5l/softfloat.c @@ -29,6 +29,11 @@ softfloat(void) p->cond->mark |= LABEL; for(p = cursym->text; p != P; p = p->link) { switch(p->as) { + case AMOVW: + if(p->to.type == D_FREG || p->from.type == D_FREG) + goto soft; + goto notsoft; + case AMOVWD: case AMOVWF: case AMOVDW: @@ -37,6 +42,7 @@ softfloat(void) case AMOVDF: case AMOVF: case AMOVD: + case ACMPF: case ACMPD: case AADDF: @@ -47,13 +53,19 @@ softfloat(void) case AMULD: case ADIVF: case ADIVD: + goto soft; + + default: + goto notsoft; + + soft: if (psfloat == P) diag("floats used with _sfloat not defined"); if (!wasfloat || (p->mark&LABEL)) { next = prg(); *next = *p; - // BL _sfloat(SB) + // BL _sfloat(SB) *p = zprg; p->link = next; p->as = ABL; @@ -65,7 +77,8 @@ softfloat(void) wasfloat = 1; } break; - default: + + notsoft: wasfloat = 0; } } |