aboutsummaryrefslogtreecommitdiff
path: root/ARMeilleure/Instructions/InstEmitSimdCmp.cs
diff options
context:
space:
mode:
authorLDj3SNuD <35856442+LDj3SNuD@users.noreply.github.com>2020-08-08 17:18:51 +0200
committerGitHub <noreply@github.com>2020-08-08 17:18:51 +0200
commite36e97c64d7b973fbbc3ac92e9f115d74a4d9e2d (patch)
tree80bdb45273e6bbc0d862276bdb6f6551b0a2541d /ARMeilleure/Instructions/InstEmitSimdCmp.cs
parent8d59ad88b4d59ef6ad26b9a747dc871fd1f1007a (diff)
CPU: This PR fixes Fpscr, among other things. (#1433)
* CPU: This PR fixes Fpscr, among other things. * Add Fpscr.Qc = 1 if sat. for Vqrshrn & Vqrshrun. * Fix Vcmp & Vcmpe opcode table. * Revert "Fix Vcmp & Vcmpe opcode table." This reverts commit c117d9410d693185ff5f8ee8e457ffbfb2027dd5. * Address PR feedbacks.
Diffstat (limited to 'ARMeilleure/Instructions/InstEmitSimdCmp.cs')
-rw-r--r--ARMeilleure/Instructions/InstEmitSimdCmp.cs18
1 files changed, 12 insertions, 6 deletions
diff --git a/ARMeilleure/Instructions/InstEmitSimdCmp.cs b/ARMeilleure/Instructions/InstEmitSimdCmp.cs
index ff97084b..22cf9f21 100644
--- a/ARMeilleure/Instructions/InstEmitSimdCmp.cs
+++ b/ARMeilleure/Instructions/InstEmitSimdCmp.cs
@@ -538,9 +538,12 @@ namespace ARMeilleure.Instructions
context.BranchIfFalse(lblNaN, isOrdered);
- Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comissge, n, m);
- Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisseq, n, m);
- Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisslt, n, m);
+ Operand nCopy = context.Copy(n);
+ Operand mCopy = cmpWithZero ? context.VectorZero() : context.Copy(m);
+
+ Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comissge, nCopy, mCopy);
+ Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisseq, nCopy, mCopy);
+ Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisslt, nCopy, mCopy);
SetFlag(context, PState.VFlag, Const(0));
SetFlag(context, PState.CFlag, cf);
@@ -555,9 +558,12 @@ namespace ARMeilleure.Instructions
context.BranchIfFalse(lblNaN, isOrdered);
- Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comisdge, n, m);
- Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisdeq, n, m);
- Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisdlt, n, m);
+ Operand nCopy = context.Copy(n);
+ Operand mCopy = cmpWithZero ? context.VectorZero() : context.Copy(m);
+
+ Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comisdge, nCopy, mCopy);
+ Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisdeq, nCopy, mCopy);
+ Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisdlt, nCopy, mCopy);
SetFlag(context, PState.VFlag, Const(0));
SetFlag(context, PState.CFlag, cf);