some optimizations for M68881; it is still horrible, though

diff --git a/mach/m68020/ncg/table b/mach/m68020/ncg/table
index c445326..3da0a82 100644 (file)
--- 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 c445326..3da0a82 100644 (file)
--- 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 c445326..3da0a82 100644 (file)
--- 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 c445326..3da0a82 100644 (file)
--- 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