diff options
| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2012-11-22 10:54:45 -0600 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2012-11-29 11:51:41 +0000 |
| commit | 31c63b058edd988004e1bea261a03235a8752229 (patch) | |
| tree | e170728ee5c5d35c0b42803212325bdabbd74ee6 | |
| parent | 8b6aec6533cc1fc09e27757aefa8ad3dbd662684 (diff) | |
gallivm: Altivec pack/unpack intrisics
This patch adds PPC Altivec support for pack/unpack operations using Altivec
supported vector type (8xi8, 16xi16, 4xi32, 4xf32).
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_pack.c | 44 |
1 files changed, 30 insertions, 14 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_pack.c b/src/gallium/auxiliary/gallivm/lp_bld_pack.c index b467d561e36..f46c080f687 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_pack.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_pack.c @@ -433,30 +433,46 @@ lp_build_pack2(struct gallivm_state *gallivm, assert(src_type.length * 2 == dst_type.length); /* Check for special cases first */ - if(util_cpu_caps.has_sse2 && src_type.width * src_type.length >= 128) { + if((util_cpu_caps.has_sse2 || util_cpu_caps.has_altivec) && + src_type.width * src_type.length >= 128) { const char *intrinsic = NULL; switch(src_type.width) { case 32: - if(dst_type.sign) { - intrinsic = "llvm.x86.sse2.packssdw.128"; - } - else { - if (util_cpu_caps.has_sse4_1) { - intrinsic = "llvm.x86.sse41.packusdw"; + if (util_cpu_caps.has_sse2) { + if(dst_type.sign) { + intrinsic = "llvm.x86.sse2.packssdw.128"; + } + else { + if (util_cpu_caps.has_sse4_1) { + intrinsic = "llvm.x86.sse41.packusdw"; #if HAVE_LLVM < 0x0207 - /* llvm < 2.7 has inconsistent signatures except for packusdw */ - intr_type = dst_type; + /* llvm < 2.7 has inconsistent signatures except for packusdw */ + intr_type = dst_type; #endif - } + } + } + } else if (util_cpu_caps.has_altivec) { + if (dst_type.sign) { + intrinsic = "llvm.ppc.altivec.vpkswus"; + } else { + intrinsic = "llvm.ppc.altivec.vpkuwus"; + } } break; case 16: if (dst_type.sign) { - intrinsic = "llvm.x86.sse2.packsswb.128"; - } - else { - intrinsic = "llvm.x86.sse2.packuswb.128"; + if (util_cpu_caps.has_sse2) { + intrinsic = "llvm.x86.sse2.packsswb.128"; + } else if (util_cpu_caps.has_altivec) { + intrinsic = "llvm.ppc.altivec.vpkshss"; + } + } else { + if (util_cpu_caps.has_sse2) { + intrinsic = "llvm.x86.sse2.packuswb.128"; + } else if (util_cpu_caps.has_altivec) { + intrinsic = "llvm.ppc.altivec.vpkshus"; + } } break; /* default uses generic shuffle below */ |