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8289552: Make intrinsic conversions between bit representations of half precision values and floats

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Reviewed-by: kvn, sviswanathan, jbhateja
This commit is contained in:
Smita Kamath 2022-10-11 17:06:19 +00:00 • committed by Sandhya Viswanathan
parent 2586b1a3c1
commit 07946aa49c
19 changed files with 345 additions and 11 deletions
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4
src/java.base/share/classes/java/lang/Float.java
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@ -1013,7 +1013,7 @@ public final class Float extends Number
* @param floatBinary16 the binary16 value to convert to {@code float}
* @since 20
*/
// @IntrinsicCandidate
@IntrinsicCandidate
public static float float16ToFloat(short floatBinary16) {
/*
* The binary16 format has 1 sign bit, 5 exponent bits, and 10
@ -1088,7 +1088,7 @@ public final class Float extends Number
* @param f the {@code float} value to convert to binary16
* @since 20
*/
// @IntrinsicCandidate
@IntrinsicCandidate
public static short floatToFloat16(float f) {
int doppel = Float.floatToRawIntBits(f);
short sign_bit = (short)((doppel & 0x8000_0000) >> 16);