add fninit to reset fpu registers before assembler routines

mattip · mattip · commit a5b164946ccc · 2020-10-05T22:13:25.000+03:00
diff --git a/kernel/x86_64/amax.S b/kernel/x86_64/amax.S
@@ -54,6 +54,8 @@
 
 	PROLOGUE
 	PROFCODE
+	
+	fninit
 
 	salq	$BASE_SHIFT, INCX
 
diff --git a/kernel/x86_64/asum.S b/kernel/x86_64/asum.S
@@ -49,7 +49,8 @@
 
 	PROLOGUE
 	PROFCODE
-
+	
+	fninit
 	fldz
 	testq	M, M
 	jle	.L999
diff --git a/kernel/x86_64/dot.S b/kernel/x86_64/dot.S
@@ -49,6 +49,7 @@
 
 	PROLOGUE
 	PROFCODE
+	fninit
 
 	salq	$BASE_SHIFT, INCX
 	salq	$BASE_SHIFT, INCY
diff --git a/kernel/x86_64/iamax.S b/kernel/x86_64/iamax.S
@@ -59,6 +59,7 @@
 
 	PROLOGUE
 	PROFCODE
+	fninit
 
 	salq	$BASE_SHIFT, INCX
 
diff --git a/kernel/x86_64/izamax.S b/kernel/x86_64/izamax.S
@@ -59,6 +59,7 @@
 
 	PROLOGUE
 	PROFCODE
+	fninit
 
 	salq	$ZBASE_SHIFT, INCX
 
diff --git a/kernel/x86_64/nrm2.S b/kernel/x86_64/nrm2.S
@@ -50,6 +50,7 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
 	fldz
 	testq	M, M
 	jle	.L999
diff --git a/kernel/x86_64/qconjg.S b/kernel/x86_64/qconjg.S
@@ -41,6 +41,7 @@
 
 	PROLOGUE
 	PROFCODE
+	fninit
 
 	fldz
 	FLD	1 * SIZE(ARG1)
diff --git a/kernel/x86_64/qdot.S b/kernel/x86_64/qdot.S
@@ -58,6 +58,8 @@
 
 	PROLOGUE
 
+	fninit
+
 	pushl	%edi
 	pushl	%esi
 	pushl	%ebx
diff --git a/kernel/x86_64/qgemm_kernel_2x2.S b/kernel/x86_64/qgemm_kernel_2x2.S
@@ -74,6 +74,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/qgemv_n.S b/kernel/x86_64/qgemv_n.S
@@ -76,6 +76,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/qgemv_t.S b/kernel/x86_64/qgemv_t.S
@@ -75,6 +75,7 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/qtrsm_kernel_LN_2x2.S b/kernel/x86_64/qtrsm_kernel_LN_2x2.S
@@ -74,6 +74,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/qtrsm_kernel_LT_2x2.S b/kernel/x86_64/qtrsm_kernel_LT_2x2.S
@@ -74,6 +74,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/qtrsm_kernel_RT_2x2.S b/kernel/x86_64/qtrsm_kernel_RT_2x2.S
@@ -74,6 +74,9 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/sum.S b/kernel/x86_64/sum.S
@@ -50,6 +50,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	fldz
 	testq	M, M
 	jle	.L999
diff --git a/kernel/x86_64/xdot.S b/kernel/x86_64/xdot.S
@@ -59,6 +59,9 @@
 
 	PROFCODE
 
+	fninit
+
+
 #define N	%ebx
 #define X	%esi
 #define INCX	%ecx
diff --git a/kernel/x86_64/xgemm3m_kernel_2x2.S b/kernel/x86_64/xgemm3m_kernel_2x2.S
@@ -78,6 +78,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/xgemm_kernel_1x1.S b/kernel/x86_64/xgemm_kernel_1x1.S
@@ -97,6 +97,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/xgemv_n.S b/kernel/x86_64/xgemv_n.S
@@ -76,6 +76,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/xgemv_t.S b/kernel/x86_64/xgemv_t.S
@@ -75,6 +75,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/xtrsm_kernel_LT_1x1.S b/kernel/x86_64/xtrsm_kernel_LT_1x1.S
@@ -90,6 +90,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	subq	$STACKSIZE, %rsp
 	movq	%rbx,  0(%rsp)
 	movq	%rbp,  8(%rsp)
diff --git a/kernel/x86_64/zamax.S b/kernel/x86_64/zamax.S
@@ -55,6 +55,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	salq	$ZBASE_SHIFT, INCX
 
 	fldz
diff --git a/kernel/x86_64/zasum.S b/kernel/x86_64/zasum.S
@@ -50,6 +50,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	fldz
 	testq	M, M
 	jle	.L999
diff --git a/kernel/x86_64/zdot.S b/kernel/x86_64/zdot.S
@@ -54,6 +54,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 #ifdef WINDOWS_ABI
 	movq	40(%rsp), INCY
 #endif
diff --git a/kernel/x86_64/znrm2.S b/kernel/x86_64/znrm2.S
@@ -50,6 +50,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	fldz
 	testq	M, M
 	jle	.L999
diff --git a/kernel/x86_64/zscal.S b/kernel/x86_64/zscal.S
@@ -50,6 +50,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	salq	$ZBASE_SHIFT, INCX
 
 	FLD	 8(%rsp)
diff --git a/kernel/x86_64/zsum.S b/kernel/x86_64/zsum.S
@@ -50,6 +50,8 @@
 	PROLOGUE
 	PROFCODE
 
+	fninit
+
 	fldz
 	testq	M, M
 	jle	.L999
