diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_ppc.c | 18 | ||||
| -rw-r--r-- | src/gallium/auxiliary/rtasm/rtasm_ppc.h | 4 |
2 files changed, 22 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc.c b/src/gallium/auxiliary/rtasm/rtasm_ppc.c index 2d9f4e079e..65df676eae 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_ppc.c +++ b/src/gallium/auxiliary/rtasm/rtasm_ppc.c @@ -603,6 +603,24 @@ ppc_lvewx(struct ppc_function *p, uint vr, uint ra, uint rb) emit_x(p, 31, vr, ra, rb, 71); } +/** vector load float: vr = splats(imm) */ +void +ppc_vload_float(struct ppc_function *p, uint vr, float imm) +{ + if (imm == 0.0f) { + ppc_vxor(p, vr, vr, vr); + } + else if (imm == 1.0f) { + /* use 2^0=1 to get 1.0 */ + ppc_vxor(p, vr, vr, vr); /* vr = {0,0,0,0} */ + ppc_vexptefp(p, vr, vr); /* vr = 0^0 */ + } + else { + assert(0); + } +} + + /** diff --git a/src/gallium/auxiliary/rtasm/rtasm_ppc.h b/src/gallium/auxiliary/rtasm/rtasm_ppc.h index 85679b4886..9f1e3fcd84 100644 --- a/src/gallium/auxiliary/rtasm/rtasm_ppc.h +++ b/src/gallium/auxiliary/rtasm/rtasm_ppc.h @@ -158,6 +158,10 @@ ppc_lvx(struct ppc_function *p, uint vR, uint vA, uint vB); extern void ppc_lvewx(struct ppc_function *p, uint vR, uint vA, uint vB); +/** vector load float: vr = splats(imm) */ +extern void +ppc_vload_float(struct ppc_function *p, uint vr, float imm); + /** |