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Add support for RDRAND in IvyBridge.

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The standard library now provides a variety of rdrand() functions
that call out to RDRAND, when available.

Issue #263.
This commit is contained in:
Matt Pharr
2012-07-12 06:07:07 -07:00
parent 2bacebb1fb
commit 2c640f7e52
19 changed files with 525 additions and 6 deletions
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41
builtins/target-avx11.ll
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@@ -29,9 +29,46 @@
;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
define(`NO_HALF_DECLARES', `1')
include(`target-avx.ll')
include(`target-avx1.ll')
rdrand_definition()
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; int min/max
define <8 x i32> @__min_varying_int32(<8 x i32>, <8 x i32>) nounwind readonly alwaysinline {
binary4to8(ret, i32, @llvm.x86.sse41.pminsd, %0, %1)
ret <8 x i32> %ret
}
define <8 x i32> @__max_varying_int32(<8 x i32>, <8 x i32>) nounwind readonly alwaysinline {
binary4to8(ret, i32, @llvm.x86.sse41.pmaxsd, %0, %1)
ret <8 x i32> %ret
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; unsigned int min/max
define <8 x i32> @__min_varying_uint32(<8 x i32>, <8 x i32>) nounwind readonly alwaysinline {
binary4to8(ret, i32, @llvm.x86.sse41.pminud, %0, %1)
ret <8 x i32> %ret
}
define <8 x i32> @__max_varying_uint32(<8 x i32>, <8 x i32>) nounwind readonly alwaysinline {
binary4to8(ret, i32, @llvm.x86.sse41.pmaxud, %0, %1)
ret <8 x i32> %ret
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; gather
gen_gather(i8)
gen_gather(i16)
gen_gather(i32)
gen_gather(float)
gen_gather(i64)
gen_gather(double)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; float/half conversions