From 398c6b7980ac52ba15af78f45e71f49f33ded1aa Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Tue, 4 Feb 2003 02:43:27 +0000
Subject: DOS updates (Daniel Borca)

---
 src/mesa/drivers/dos/virtual.S | 29 ++++++++++++-----------------
 1 file changed, 12 insertions(+), 17 deletions(-)

(limited to 'src/mesa/drivers/dos/virtual.S')

diff --git a/src/mesa/drivers/dos/virtual.S b/src/mesa/drivers/dos/virtual.S
index 4dbbbb3e3f..c5a72975fe 100644
--- a/src/mesa/drivers/dos/virtual.S
+++ b/src/mesa/drivers/dos/virtual.S
@@ -107,13 +107,12 @@ _v_clear_common:
 		.p2align 5,,31
 		.global	_v_clear8_mmx
 _v_clear8_mmx:
-		movl	4(%esp), %eax
-		movb	%al, %ah
-		pushw	%ax
-		pushw	%ax
-		pushw	%ax
-		pushw	%ax
+#ifdef USE_MMX_ASM
+		movq	4(%esp), %mm0
+		punpcklbw %mm0, %mm0
+		punpcklwd %mm0, %mm0
 		jmp	_v_clear_common_mmx
+#endif
 
 /* Desc: void v_clear16_mmx (int color);
  *
@@ -125,12 +124,11 @@ _v_clear8_mmx:
 		.p2align 5,,31
 		.global	_v_clear16_mmx
 _v_clear16_mmx:
-		movl	4(%esp), %eax
-		pushw	%ax
-		pushw	%ax
-		pushw	%ax
-		pushw	%ax
+#ifdef USE_MMX_ASM
+		movq	4(%esp), %mm0
+		punpcklwd %mm0, %mm0
 		jmp	_v_clear_common_mmx
+#endif
 
 /* Desc: void v_clear32_mmx (int color);
  *
@@ -142,15 +140,13 @@ _v_clear16_mmx:
 		.p2align 5,,31
 		.global	_v_clear32_mmx
 _v_clear32_mmx:
-		movl	4(%esp), %eax
-		pushl	%eax
-		pushl	%eax
+#ifdef USE_MMX_ASM
+		movq	4(%esp), %mm0
 		.balign	4
 _v_clear_common_mmx:
-#ifdef USE_MMX_ASM
+		punpckldq %mm0, %mm0
 		movl	_vl_current_bytes, %ecx
 		movl	_vl_current_draw_buffer, %edx
-		movq	(%esp), %mm0
 		shrl	$3, %ecx
 		.balign	4
 	0:
@@ -160,7 +156,6 @@ _v_clear_common_mmx:
 		jnz	0b
 		emms
 #endif
-		addl	$8, %esp
 		ret
 
 /* Desc: void v_clear24 (int color);
-- 
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