From: ceriel <none@none>
Date: Mon, 12 Jun 1989 14:05:25 +0000 (+0000)
Subject: some optimizations for M68881; it is still horrible, though
X-Git-Tag: release-5-5~2398
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=e8aadf440943744fabd483ed61ba608d98775f98;p=ack.git

some optimizations for M68881; it is still horrible, though
---

diff --git a/mach/m68020/ncg/table b/mach/m68020/ncg/table
index c4453261e..3da0a8288 100644
--- a/mach/m68020/ncg/table
+++ b/mach/m68020/ncg/table
@@ -4677,6 +4677,32 @@ pat cmu zge $1==4			call cmuzxx("bcc","bls")
 pat cmu zgt $1==4			call cmuzxx("bhi","bcs")
 
 
+#if TBL68881
+proc cmf4zxx example cmf zlt
+with FS_REG FS_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==4			call cmf4zxx("fblt")
+pat cmf zle $1==4			call cmf4zxx("fble")
+pat cmf zne $1==4			call cmf4zxx("fbne")
+pat cmf zeq $1==4			call cmf4zxx("fbeq")
+pat cmf zge $1==4			call cmf4zxx("fbge")
+pat cmf zgt $1==4			call cmf4zxx("fbgt")
+
+proc cmf8zxx example cmf zlt
+with FD_REG FD_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==8			call cmf8zxx("fblt")
+pat cmf zle $1==8			call cmf8zxx("fble")
+pat cmf zne $1==8			call cmf8zxx("fbne")
+pat cmf zeq $1==8			call cmf8zxx("fbeq")
+pat cmf zge $1==8			call cmf8zxx("fbge")
+pat cmf zgt $1==8			call cmf8zxx("fbgt")
+#endif
+
 proc bxx1_in example loc loc cii loc bne
 with imm_cmp1 STACK
     gen cmp_b {const, lowb($4)}, %1
diff --git a/mach/m68k2/ncg/table b/mach/m68k2/ncg/table
index c4453261e..3da0a8288 100644
--- a/mach/m68k2/ncg/table
+++ b/mach/m68k2/ncg/table
@@ -4677,6 +4677,32 @@ pat cmu zge $1==4			call cmuzxx("bcc","bls")
 pat cmu zgt $1==4			call cmuzxx("bhi","bcs")
 
 
+#if TBL68881
+proc cmf4zxx example cmf zlt
+with FS_REG FS_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==4			call cmf4zxx("fblt")
+pat cmf zle $1==4			call cmf4zxx("fble")
+pat cmf zne $1==4			call cmf4zxx("fbne")
+pat cmf zeq $1==4			call cmf4zxx("fbeq")
+pat cmf zge $1==4			call cmf4zxx("fbge")
+pat cmf zgt $1==4			call cmf4zxx("fbgt")
+
+proc cmf8zxx example cmf zlt
+with FD_REG FD_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==8			call cmf8zxx("fblt")
+pat cmf zle $1==8			call cmf8zxx("fble")
+pat cmf zne $1==8			call cmf8zxx("fbne")
+pat cmf zeq $1==8			call cmf8zxx("fbeq")
+pat cmf zge $1==8			call cmf8zxx("fbge")
+pat cmf zgt $1==8			call cmf8zxx("fbgt")
+#endif
+
 proc bxx1_in example loc loc cii loc bne
 with imm_cmp1 STACK
     gen cmp_b {const, lowb($4)}, %1
diff --git a/mach/m68k4/ncg/table b/mach/m68k4/ncg/table
index c4453261e..3da0a8288 100644
--- a/mach/m68k4/ncg/table
+++ b/mach/m68k4/ncg/table
@@ -4677,6 +4677,32 @@ pat cmu zge $1==4			call cmuzxx("bcc","bls")
 pat cmu zgt $1==4			call cmuzxx("bhi","bcs")
 
 
+#if TBL68881
+proc cmf4zxx example cmf zlt
+with FS_REG FS_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==4			call cmf4zxx("fblt")
+pat cmf zle $1==4			call cmf4zxx("fble")
+pat cmf zne $1==4			call cmf4zxx("fbne")
+pat cmf zeq $1==4			call cmf4zxx("fbeq")
+pat cmf zge $1==4			call cmf4zxx("fbge")
+pat cmf zgt $1==4			call cmf4zxx("fbgt")
+
+proc cmf8zxx example cmf zlt
+with FD_REG FD_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==8			call cmf8zxx("fblt")
+pat cmf zle $1==8			call cmf8zxx("fble")
+pat cmf zne $1==8			call cmf8zxx("fbne")
+pat cmf zeq $1==8			call cmf8zxx("fbeq")
+pat cmf zge $1==8			call cmf8zxx("fbge")
+pat cmf zgt $1==8			call cmf8zxx("fbgt")
+#endif
+
 proc bxx1_in example loc loc cii loc bne
 with imm_cmp1 STACK
     gen cmp_b {const, lowb($4)}, %1
diff --git a/mach/moon3/ncg/table b/mach/moon3/ncg/table
index c4453261e..3da0a8288 100644
--- a/mach/moon3/ncg/table
+++ b/mach/moon3/ncg/table
@@ -4677,6 +4677,32 @@ pat cmu zge $1==4			call cmuzxx("bcc","bls")
 pat cmu zgt $1==4			call cmuzxx("bhi","bcs")
 
 
+#if TBL68881
+proc cmf4zxx example cmf zlt
+with FS_REG FS_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==4			call cmf4zxx("fblt")
+pat cmf zle $1==4			call cmf4zxx("fble")
+pat cmf zne $1==4			call cmf4zxx("fbne")
+pat cmf zeq $1==4			call cmf4zxx("fbeq")
+pat cmf zge $1==4			call cmf4zxx("fbge")
+pat cmf zgt $1==4			call cmf4zxx("fbgt")
+
+proc cmf8zxx example cmf zlt
+with FD_REG FD_REG
+    gen	fcmp %1,%2
+	bxx* {llabel, $2}
+
+pat cmf zlt $1==8			call cmf8zxx("fblt")
+pat cmf zle $1==8			call cmf8zxx("fble")
+pat cmf zne $1==8			call cmf8zxx("fbne")
+pat cmf zeq $1==8			call cmf8zxx("fbeq")
+pat cmf zge $1==8			call cmf8zxx("fbge")
+pat cmf zgt $1==8			call cmf8zxx("fbgt")
+#endif
+
 proc bxx1_in example loc loc cii loc bne
 with imm_cmp1 STACK
     gen cmp_b {const, lowb($4)}, %1