Changeset 105078 in vbox for trunk/src/VBox/ValidationKit

Timestamp:

Jul 1, 2024 8:30:16 AM (7 months ago)

Author:

vboxsync

Message:

ValidationKit/bootsectors: bugref:10658 SIMD FP testcase: [v]subpd denormals.

File:

• trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-instr-4.c32 (modified) (1 diff)

trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-instr-4.c32

@@ -2636 +2636 @@
               /*daz,fz,rc*/ X86_MXCSR_DAZ, X86_MXCSR_FZ, X86_MXCSR_RC_DOWN,
               /*flags    */ 0, 0 },
-    /** @todo Denormals; Underflow, Precision; Rounding,
-     *        FZ etc. */
+    /*
+     * Denormals.
+     */
+    /*28*/{ { /*src2     */ { BS3_FP64_DENORMAL_MAX(0), BS3_FP64_ZERO(0), BS3_FP64_ZERO(0), BS3_FP64_ZERO(0) } },
+            { /*src1     */ { BS3_FP64_ZERO(0),         BS3_FP64_ZERO(0), BS3_FP64_ZERO(0), BS3_FP64_ZERO(0) } },
+            { /* =>      */ { BS3_FP64_ZERO(0),         BS3_FP64_ZERO(0), BS3_FP64_ZERO(0), BS3_FP64_ZERO(0) } },
+              /*mask     */ ~X86_MXCSR_XCPT_MASK,
+              /*daz,fz,rc*/ 0, 0, X86_MXCSR_RC_NEAREST,
+              /*flags    */ X86_MXCSR_DE, X86_MXCSR_DE },
+          { { /*src2     */ { BS3_FP64_ZERO(0), BS3_FP64_ZERO(0),         BS3_FP64_ZERO(0), BS3_FP64_ZERO(0) } },
+            { /*src1     */ { BS3_FP64_ZERO(0), BS3_FP64_DENORMAL_MAX(0), BS3_FP64_ZERO(0), BS3_FP64_ZERO(0) } },
+            { /* =>      */ { BS3_FP64_ZERO(0), BS3_FP64_ZERO(0),         BS3_FP64_ZERO(0), BS3_FP64_ZERO(0) } },
+              /*mask     */ X86_MXCSR_XCPT_MASK,
+              /*daz,fz,rc*/ X86_MXCSR_DAZ, 0, X86_MXCSR_RC_NEAREST,
+              /*flags    */ 0, 0 },
+          { { /*src2     */ { BS3_FP64_DENORMAL_MIN(0), BS3_FP64_DENORMAL_MIN(0), BS3_FP64_DENORMAL_MAX(0), BS3_FP64_DENORMAL_MAX(0) } },
+            { /*src1     */ { BS3_FP64_DENORMAL_MAX(0), BS3_FP64_DENORMAL_MIN(0), BS3_FP64_DENORMAL_MAX(0), BS3_FP64_DENORMAL_MIN(0) } },
+            { /* =>      */ { BS3_FP64_ZERO(0),         BS3_FP64_ZERO(0),         BS3_FP64_ZERO(0),         BS3_FP64_ZERO(0)         } },
+              /*mask     */ X86_MXCSR_XCPT_MASK,
+              /*daz,fz,rc*/ X86_MXCSR_DAZ, X86_MXCSR_FZ, X86_MXCSR_RC_UP,
+              /*flags    */ 0, 0 },
+    /** @todo More denormals; Underflow, Precision; Rounding, FZ etc. */
     };