Changeset 94694 in vbox

Timestamp:

Apr 22, 2022 11:12:01 PM (3 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

151067

Message:

VMM/IEM: Seems fistt/i16 isn't such an oddball after all, at least not with the current test data. Weird. bugref:9898

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp

@@ -4135 +4135 @@
          * Figure this weirdness. \
          */ \
-        else if (a_cBits == 16 && fSignIn && iExponent == 31 && uMantissa < UINT64_C(0x8000100000000000) ) \
+        else if (0 /* huh? gone? */ && a_cBits == 16 && fSignIn && iExponent == 31 && uMantissa < UINT64_C(0x8000100000000000) ) \
         { \
             *piDst = 0;  \
@@ -4189 +4189 @@
 EMIT_FISTT(64, 64, int64_t, INT64_MIN, INT64_MAX, X86_FPU_INT64_INDEFINITE, RT_NOTHING, 1)
 EMIT_FISTT(32, 32, int32_t, INT32_MIN, INT32_MAX, X86_FPU_INT32_INDEFINITE, RT_NOTHING, 1)
-EMIT_FISTT(16, 32, int16_t, INT16_MIN, INT16_MAX, 0 /* X86_FPU_INT16_INDEFINITE - weird weird weird! */, RT_NOTHING, 1)
+EMIT_FISTT(16, 16, int16_t, INT16_MIN, INT16_MAX, X86_FPU_INT16_INDEFINITE, RT_NOTHING, 1)
 #endif
-EMIT_FISTT(16, 32, int16_t, INT16_MIN, INT16_MAX, 0 /* X86_FPU_INT16_INDEFINITE - weird weird weird! */, _intel,     1)
-EMIT_FISTT(16, 32, int16_t, INT16_MIN, INT16_MAX, 0 /* X86_FPU_INT16_INDEFINITE - weird weird weird! */, _amd,       0)
+EMIT_FISTT(16, 16, int16_t, INT16_MIN, INT16_MAX, X86_FPU_INT16_INDEFINITE, _intel,     1)
+EMIT_FISTT(16, 16, int16_t, INT16_MIN, INT16_MAX, X86_FPU_INT16_INDEFINITE, _amd,       0)