From 0e67d46049a58b11d577736056157cc003c0f1d8 Mon Sep 17 00:00:00 2001
From: Jan Hubicka <jh@suse,cz>
Date: Tue, 22 Oct 2002 22:38:07 +0000
Subject: [PATCH] i386.c (standard_sse_constant_p): Accept vector and integer
 zeros too.

	* i386.c (standard_sse_constant_p): Accept vector and integer zeros too.
	* i386.h (EXTRA_CONSTRAINT): Recognize 'C'
	* i386.md (movti_internal): Use 'C'

	* xmmintrin.h (_mm_cmplt_epi*): New.

From-SVN: r58423
---
 gcc/ChangeLog               |  8 ++++++++
 gcc/config/i386/i386.c      |  4 ++--
 gcc/config/i386/i386.h      |  7 ++++---
 gcc/config/i386/i386.md     |  2 +-
 gcc/config/i386/xmmintrin.h | 18 ++++++++++++++++++
 5 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fbe10900b32..c1f445a23af 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+Wed Oct 23 00:33:11 CEST 2002  Jan Hubicka  <jh@suse,cz>
+
+	* i386.c (standard_sse_constant_p): Accept vector and integer zeros too.
+	* i386.h (EXTRA_CONSTRAINT): Recognize 'C'
+	* i386.md (movti_internal): Use 'C'
+
+	* xmmintrin.h (_mm_cmplt_epi*): New.
+
 2002-10-22  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	* config/s390/s390.md ("*movdi_64"): Fix op_type attribute.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 63e7f9570be..efce0f32382 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -3749,8 +3749,8 @@ int
 standard_sse_constant_p (x)
      rtx x;
 {
-  if (GET_CODE (x) != CONST_DOUBLE)
-    return -1;
+  if (x == const0_rtx)
+    return 1;
   return (x == CONST0_RTX (GET_MODE (x)));
 }
 
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index aabf3e531df..a679d3d469e 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -1425,9 +1425,10 @@ enum reg_class
    the constraint letter C.  If C is not defined as an extra
    constraint, the value returned should be 0 regardless of VALUE.  */
 
-#define EXTRA_CONSTRAINT(VALUE, C)				\
-  ((C) == 'e' ? x86_64_sign_extended_value (VALUE, 0)		\
-   : (C) == 'Z' ? x86_64_zero_extended_value (VALUE)		\
+#define EXTRA_CONSTRAINT(VALUE, D)				\
+  ((D) == 'e' ? x86_64_sign_extended_value (VALUE, 0)		\
+   : (D) == 'Z' ? x86_64_zero_extended_value (VALUE)		\
+   : (D) == 'C' ? standard_sse_constant_p (VALUE)		\
    : 0)
 
 /* Place additional restrictions on the register class to use when it
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index b2aa4efb46a..7e90501b445 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -18145,7 +18145,7 @@
 
 (define_insn "movti_internal"
   [(set (match_operand:TI 0 "nonimmediate_operand" "=x,x,m")
-	(match_operand:TI 1 "general_operand" "O,xm,x"))]
+	(match_operand:TI 1 "general_operand" "C,xm,x"))]
   "TARGET_SSE && !TARGET_64BIT"
   "@
    xorps\t%0, %0
diff --git a/gcc/config/i386/xmmintrin.h b/gcc/config/i386/xmmintrin.h
index f0f6ee3ee11..2740824cd90 100644
--- a/gcc/config/i386/xmmintrin.h
+++ b/gcc/config/i386/xmmintrin.h
@@ -2307,6 +2307,24 @@ _mm_cmpeq_epi32 (__m128i __A, __m128i __B)
   return (__m128i)__builtin_ia32_pcmpeqd128 ((__v4si)__A, (__v4si)__B);
 }
 
+static __inline __m128i
+_mm_cmplt_epi8 (__m128i __A, __m128i __B)
+{
+  return (__m128i)__builtin_ia32_pcmpgtb128 ((__v16qi)__B, (__v16qi)__A);
+}
+
+static __inline __m128i
+_mm_cmplt_epi16 (__m128i __A, __m128i __B)
+{
+  return (__m128i)__builtin_ia32_pcmpgtw128 ((__v8hi)__B, (__v8hi)__A);
+}
+
+static __inline __m128i
+_mm_cmplt_epi32 (__m128i __A, __m128i __B)
+{
+  return (__m128i)__builtin_ia32_pcmpgtd128 ((__v4si)__B, (__v4si)__A);
+}
+
 static __inline __m128i
 _mm_cmpgt_epi8 (__m128i __A, __m128i __B)
 {
-- 
2.30.2