revert to 626 to undo unintended push

8 files changed, 0 insertions, 357 deletions

diff --git a/lib9/setfcr-DragonFly-386.c b/lib9/setfcr-DragonFly-386.c
deleted file mode 100644
index 3589dd80..00000000
--- a/lib9/setfcr-DragonFly-386.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Linux 386 fpu support
- * Mimic Plan9 floating point support
- */
-
-#include "lib9.h"
-
-void
-setfcr(ulong fcr)
-{
-	__asm__(	"xorb	$0x3f, %%al\n\t"
-			"pushw	%%ax\n\t"
-			"fwait\n\t"
-			"fldcw	(%%esp)\n\t"
-			"popw	%%ax\n\t"
-			: /* no output */
-			: "al" (fcr)
-	);
-}
-
-ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-
-	__asm__(	"pushl	%%eax\n\t"
-			"fwait\n\t"
-			"fstcw	(%%esp)\n\t"
-			"popl	%%eax\n\t"
-			"xorb	$0x3f, %%al\n\t"
-			: "=a"  (fcr)
-			: "eax"	(fcr)
-	);
-	return fcr; 
-}
-
-ulong
-getfsr(void)
-{
-	ulong fsr = -1;
-
-	__asm__(	"fwait\n\t"
-			"fstsw	(%%eax)\n\t"
-			"movl	(%%eax), %%eax\n\t"
-			"andl	$0xffff, %%eax\n\t"
-			: "=a"  (fsr)
-			: "eax" (&fsr)
-	);
-	return fsr;
-}
-
-void
-setfsr(ulong fsr)
-{
-	__asm__("fclex\n\t");
-}
diff --git a/lib9/setfcr-Linux-arm.c b/lib9/setfcr-Linux-arm.c
deleted file mode 100644
index eb77b872..00000000
--- a/lib9/setfcr-Linux-arm.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Linux arm fpu support
- * Mimic Plan9 floating point support
- */
-
-#include "lib9.h"
-
-#include <fenv.h>
-
-void
-setfcr(ulong fcr)
-{
-}
-
-ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-	return fcr; 
-}
-
-ulong
-getfsr(void)
-{
-	ulong fsr = -1;
-	return fsr;
-}
-
-void
-setfsr(ulong fsr)
-{
-}
diff --git a/lib9/setfcr-Linux-power.S b/lib9/setfcr-Linux-power.S
deleted file mode 100644
index dee67528..00000000
--- a/lib9/setfcr-Linux-power.S
+++ /dev/null
@@ -1,20 +0,0 @@
-
-#define	FN(x)	.type x,@function; .global x; x
-
-FN(getfcr):
-	mffs	%f0
-	cvtfl	%r3,%f0
-	blr
-
-FN(getfsr):
-	mffs	%f0
-	cvtfl	%r3,%f0
-	blr
-
-FN(setfsr):
-	mtfsf	0xff, %f0
-	blr
-
-FN(setfcr):
-	mtfsf	0xff, %f0
-	blr
diff --git a/lib9/setfcr-MacOSX-386.c b/lib9/setfcr-MacOSX-386.c
deleted file mode 100644
index 3589dd80..00000000
--- a/lib9/setfcr-MacOSX-386.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Linux 386 fpu support
- * Mimic Plan9 floating point support
- */
-
-#include "lib9.h"
-
-void
-setfcr(ulong fcr)
-{
-	__asm__(	"xorb	$0x3f, %%al\n\t"
-			"pushw	%%ax\n\t"
-			"fwait\n\t"
-			"fldcw	(%%esp)\n\t"
-			"popw	%%ax\n\t"
-			: /* no output */
-			: "al" (fcr)
-	);
-}
-
-ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-
-	__asm__(	"pushl	%%eax\n\t"
-			"fwait\n\t"
-			"fstcw	(%%esp)\n\t"
-			"popl	%%eax\n\t"
-			"xorb	$0x3f, %%al\n\t"
-			: "=a"  (fcr)
-			: "eax"	(fcr)
-	);
-	return fcr; 
-}
-
-ulong
-getfsr(void)
-{
-	ulong fsr = -1;
-
-	__asm__(	"fwait\n\t"
-			"fstsw	(%%eax)\n\t"
-			"movl	(%%eax), %%eax\n\t"
-			"andl	$0xffff, %%eax\n\t"
-			: "=a"  (fsr)
-			: "eax" (&fsr)
-	);
-	return fsr;
-}
-
-void
-setfsr(ulong fsr)
-{
-	__asm__("fclex\n\t");
-}
diff --git a/lib9/setfcr-MacOSX-power.c b/lib9/setfcr-MacOSX-power.c
deleted file mode 100644
index 17b76a88..00000000
--- a/lib9/setfcr-MacOSX-power.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * MacOSX/Darwin ppc fpu support
- * Mimic Plan9 floating point support
- */
-
-#include "lib9.h"
-#include <architecture/ppc/fp_regs.h>
-
-__inline__ ulong
-getfcr(void)
-{
-	ppc_fp_scr_t fpscr = get_fp_scr();
-	return ((ulong *)&fpscr)[1];
-}
-
-ulong
-getfsr(void)
-{
-	ppc_fp_scr_t fpscr = get_fp_scr();
-	return ((ulong *)&fpscr)[1];
-}
-
-void
-setfsr(ulong fsr)
-{
-	ppc_fp_scr_t fpscr;
-	// fpscr = get_fp_scr();
-	(((ulong *)&fpscr)[1]) = fsr;
-	set_fp_scr(fpscr);
-}
-
-void
-setfcr(ulong fcr)
-{
-	ppc_fp_scr_t fpscr;
-	// fpscr = get_fp_scr();
-	(((ulong *)&fpscr)[1]) = fcr;
-	set_fp_scr(fpscr);
-}
diff --git a/lib9/setfcr-NetBSD-386.c b/lib9/setfcr-NetBSD-386.c
deleted file mode 100644
index e58171a3..00000000
--- a/lib9/setfcr-NetBSD-386.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Linux 386 fpu support
- * Mimic Plan9 floating point support
- */
-#include "lib9.h"
-
-void
-setfcr(ulong fcr)
-{
-	__asm__(	"xorb	$0x3f, %%al\n\t"
-			"pushw	%%ax\n\t"
-			"fwait\n\t"
-			"fldcw	(%%esp)\n\t"
-			"popw	%%ax\n\t"
-			: /* no output */
-			: "al" (fcr)
-	);
-}
-
-ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-
-	__asm__(	"pushl	%%eax\n\t"
-			"fwait\n\t"
-			"fstcw	(%%esp)\n\t"
-			"popl	%%eax\n\t"
-			"xorb	$0x3f, %%al\n\t"
-			: "=a"  (fcr)
-			: "eax"	(fcr)
-	);
-	return fcr; 
-}
-
-ulong
-getfsr(void)
-{
-	ulong fsr = -1;
-
-	__asm__(	"fwait\n\t"
-			"fstsw	(%%eax)\n\t"
-			"movl	(%%eax), %%eax\n\t"
-			"andl	$0xffff, %%eax\n\t"
-			: "=a"  (fsr)
-			: "eax" (&fsr)
-	);
-	return fsr;
-}
-
-void
-setfsr(ulong fsr)
-{
-	__asm__("fclex\n\t");
-}
diff --git a/lib9/setfcr-OpenBSD-386.c b/lib9/setfcr-OpenBSD-386.c
deleted file mode 100644
index c512f033..00000000
--- a/lib9/setfcr-OpenBSD-386.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * 386 fpu support
- * Mimic Plan9 floating point support
- */
-
-#include "lib9.h"
-
-
-void
-setfcr(ulong fcr)
-{
-	__asm__(	"xorb	$0x3f, %%al\n\t"
-			"pushw	%%ax\n\t"
-			"fwait\n\t"
-			"fldcw	(%%esp)\n\t"
-			"popw	%%ax\n\t"
-			: /* no output */
-			: "al" (fcr)
-	);
-}
-
-ulong
-getfcr(void)
-{
-	ulong fcr = 0;
-
-	__asm__(	"pushl	%%eax\n\t"
-			"fwait\n\t"
-			"fstcw	(%%esp)\n\t"
-			"popl	%%eax\n\t"
-			"xorb	$0x3f, %%al\n\t"
-			: "=a"  (fcr)
-			: "eax"	(fcr)
-	);
-	return fcr; 
-}
-
-ulong
-getfsr(void)
-{
-	ulong fsr = -1;
-
-	__asm__(	"fwait\n\t"
-			"fstsw	(%%eax)\n\t"
-			"movl	(%%eax), %%eax\n\t"
-			"andl	$0xffff, %%eax\n\t"
-			: "=a"  (fsr)
-			: "eax" (&fsr)
-	);
-	return fsr;
-}
-
-void
-setfsr(ulong fsr)
-{
-	__asm__("fclex\n\t");
-}
diff --git a/lib9/setfcr-Solaris-sparc.c b/lib9/setfcr-Solaris-sparc.c
deleted file mode 100644
index 405e9cf2..00000000
--- a/lib9/setfcr-Solaris-sparc.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/* This code is a little awkward.  If somebody who understands Solaris
-   better would tell me an idiomatic way to invoke equivalent
-   behavior, I'd be grateful.    ehg@bell-labs.com  */
-
-#include "lib9.h"
-
-ulong
-getfcr(void)
-{
-	ulong v;
-
-	asm("	st	%fsr, [%fp-8]");
-	return v;
-}
-
-void
-setfcr(ulong v)
-{
-	ulong vv;
-
-	vv = (getfcr() & ~FPFCR) | (v & FPFCR);
-	asm("	ld	[%fp-4], %fsr");
-}
-
-ulong
-getfsr(void)
-{
-	ulong v;
-
-	asm("	st	%fsr, [%fp-8]");
-	return v;
-}
-
-void
-setfsr(ulong v)
-{
-	ulong vv;
-
-	vv = (getfsr() & ~FPFSR) | (v & FPFSR);
-	asm("	ld	[%fp-4], %fsr");
-}
-