From b06d0720194dfecaf45dc97cbd178411aed5205f Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 22 Oct 2008 14:48:33 -0600 Subject: gallium: added ppc_vload_float(), for limited cases --- src/gallium/auxiliary/rtasm/rtasm_ppc.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'src/gallium/auxiliary/rtasm/rtasm_ppc.c') 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); + } +} + + /** -- cgit v1.2.3