summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/llvmpipe
diff options
context:
space:
mode:
authorJosé Fonseca <jfonseca@vmware.com>2009-08-11 13:09:35 +0100
committerJosé Fonseca <jfonseca@vmware.com>2009-08-29 09:21:29 +0100
commit8422f293ab7bf1ff1adf105ed3240b1627538d34 (patch)
tree04a94bb39e3331d2d6bc4e5652598764e1c62e51 /src/gallium/drivers/llvmpipe
parent36249348ed6dfae63ef2b81e6db88c975a801f2a (diff)
llvmpipe: More arithmetic ops.
Mostly untested.
Diffstat (limited to 'src/gallium/drivers/llvmpipe')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_arit.c218
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_arit.h33
2 files changed, 250 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_arit.c b/src/gallium/drivers/llvmpipe/lp_bld_arit.c
index 8e9049601a..a73331ddc9 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_arit.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_arit.c
@@ -87,7 +87,7 @@ lp_build_min_simple(struct lp_build_context *bld,
}
}
#endif
-
+
if(intrinsic)
return lp_build_intrinsic_binary(bld->builder, intrinsic, lp_build_vec_type(bld->type), a, b);
@@ -446,6 +446,36 @@ lp_build_mul(struct lp_build_context *bld,
LLVMValueRef
+lp_build_div(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef b)
+{
+ const union lp_type type = bld->type;
+
+ if(a == bld->zero)
+ return bld->zero;
+ if(a == bld->one)
+ return lp_build_rcp(bld, b);
+ if(b == bld->zero)
+ return bld->undef;
+ if(b == bld->one)
+ return a;
+ if(a == bld->undef || b == bld->undef)
+ return bld->undef;
+
+ if(LLVMIsConstant(a) && LLVMIsConstant(b))
+ return LLVMConstFDiv(a, b);
+
+#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
+ if(type.width == 32 && type.length == 4)
+ return lp_build_mul(bld, a, lp_build_rcp(bld, b));
+#endif
+
+ return LLVMBuildFDiv(bld->builder, a, b, "");
+}
+
+
+LLVMValueRef
lp_build_min(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b)
@@ -491,3 +521,189 @@ lp_build_max(struct lp_build_context *bld,
return lp_build_max_simple(bld, a, b);
}
+
+
+LLVMValueRef
+lp_build_abs(struct lp_build_context *bld,
+ LLVMValueRef a)
+{
+ const union lp_type type = bld->type;
+
+ if(!type.sign)
+ return a;
+
+ /* XXX: is this really necessary? */
+#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
+ if(!type.floating && type.width*type.length == 128) {
+ LLVMTypeRef vec_type = lp_build_vec_type(type);
+ if(type.width == 8)
+ return lp_build_intrinsic_unary(bld->builder, "llvm.x86.ssse3.pabs.b.128", vec_type, a);
+ if(type.width == 16)
+ return lp_build_intrinsic_unary(bld->builder, "llvm.x86.ssse3.pabs.w.128", vec_type, a);
+ if(type.width == 32)
+ return lp_build_intrinsic_unary(bld->builder, "llvm.x86.ssse3.pabs.d.128", vec_type, a);
+ }
+#endif
+
+ return lp_build_max(bld, a, LLVMBuildNeg(bld->builder, a, ""));
+}
+
+
+LLVMValueRef
+lp_build_sqrt(struct lp_build_context *bld,
+ LLVMValueRef a)
+{
+ const union lp_type type = bld->type;
+ LLVMTypeRef vec_type = lp_build_vec_type(type);
+ const char *intrinsic;
+
+ /* TODO: optimize the constant case */
+
+ assert(type.floating);
+
+ switch(type.width) {
+ case 32:
+ intrinsic = "llvm.sqrt.f32";
+ break;
+ case 64:
+ intrinsic = "llvm.sqrt.f64";
+ break;
+ default:
+ assert(0);
+ return LLVMGetUndef(vec_type);
+ }
+
+ return lp_build_intrinsic_unary(bld->builder, intrinsic, vec_type, a);
+}
+
+
+LLVMValueRef
+lp_build_rcp(struct lp_build_context *bld,
+ LLVMValueRef a)
+{
+ const union lp_type type = bld->type;
+
+ if(a == bld->zero)
+ return bld->undef;
+ if(a == bld->one)
+ return bld->one;
+ if(a == bld->undef)
+ return bld->undef;
+
+ assert(type.floating);
+
+ if(LLVMIsConstant(a))
+ return LLVMConstFDiv(bld->one, a);
+
+ /* XXX: is this really necessary? */
+#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
+ if(type.width == 32 && type.length == 4)
+ return lp_build_intrinsic_unary(bld->builder, "llvm.x86.sse.rcp.ps", lp_build_vec_type(type), a);
+#endif
+
+ return LLVMBuildFDiv(bld->builder, bld->one, a, "");
+}
+
+
+LLVMValueRef
+lp_build_rsqrt(struct lp_build_context *bld,
+ LLVMValueRef a)
+{
+ const union lp_type type = bld->type;
+
+ assert(type.floating);
+
+ /* XXX: is this really necessary? */
+#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
+ if(type.width == 32 && type.length == 4)
+ return lp_build_intrinsic_unary(bld->builder, "llvm.x86.sse.rsqrt.ps", lp_build_vec_type(type), a);
+#endif
+
+ return lp_build_rcp(bld, lp_build_sqrt(bld, a));
+}
+
+
+LLVMValueRef
+lp_build_cos(struct lp_build_context *bld,
+ LLVMValueRef a)
+{
+ const union lp_type type = bld->type;
+ LLVMTypeRef vec_type = lp_build_vec_type(type);
+ const char *intrinsic;
+
+ /* TODO: optimize the constant case */
+
+ assert(type.floating);
+
+ switch(type.width) {
+ case 32:
+ intrinsic = "llvm.cos.f32";
+ break;
+ case 64:
+ intrinsic = "llvm.cos.f64";
+ break;
+ default:
+ assert(0);
+ return LLVMGetUndef(vec_type);
+ }
+
+ return lp_build_intrinsic_unary(bld->builder, intrinsic, vec_type, a);
+}
+
+
+LLVMValueRef
+lp_build_sin(struct lp_build_context *bld,
+ LLVMValueRef a)
+{
+ const union lp_type type = bld->type;
+ LLVMTypeRef vec_type = lp_build_vec_type(type);
+ const char *intrinsic;
+
+ /* TODO: optimize the constant case */
+
+ assert(type.floating);
+
+ switch(type.width) {
+ case 32:
+ intrinsic = "llvm.sin.f32";
+ break;
+ case 64:
+ intrinsic = "llvm.sin.f64";
+ break;
+ default:
+ assert(0);
+ return LLVMGetUndef(vec_type);
+ }
+
+ return lp_build_intrinsic_unary(bld->builder, intrinsic, vec_type, a);
+}
+
+
+LLVMValueRef
+lp_build_pow(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef b)
+{
+ const union lp_type type = bld->type;
+ LLVMTypeRef vec_type = lp_build_vec_type(type);
+ const char *intrinsic;
+
+ /* TODO: optimize the constant case */
+
+ assert(type.floating);
+
+ switch(type.width) {
+ case 32:
+ intrinsic = "llvm.pow.f32";
+ break;
+ case 64:
+ intrinsic = "llvm.pow.f64";
+ break;
+ default:
+ assert(0);
+ return LLVMGetUndef(vec_type);
+ }
+
+ return lp_build_intrinsic_binary(bld->builder, intrinsic, vec_type, a, b);
+}
+
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_arit.h b/src/gallium/drivers/llvmpipe/lp_bld_arit.h
index 35961eb9c8..2545d2cdfb 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_arit.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_arit.h
@@ -67,6 +67,11 @@ lp_build_mul(struct lp_build_context *bld,
LLVMValueRef b);
LLVMValueRef
+lp_build_div(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef b);
+
+LLVMValueRef
lp_build_min(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
@@ -76,5 +81,33 @@ lp_build_max(struct lp_build_context *bld,
LLVMValueRef a,
LLVMValueRef b);
+LLVMValueRef
+lp_build_abs(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_sqrt(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_rcp(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_rsqrt(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_cos(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_sin(struct lp_build_context *bld,
+ LLVMValueRef a);
+
+LLVMValueRef
+lp_build_pow(struct lp_build_context *bld,
+ LLVMValueRef a,
+ LLVMValueRef b);
#endif /* !LP_BLD_ARIT_H */