alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.

        * alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
        * alpha.md (UNSPEC_NT_LDA): Remove.
        (UNSPEC_CVTLQ, cvtlq): New.
        (extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
        (extendsidi2_fix): Remove.
        (extendsidi2 splitter): Use cvtlq.
        (extendsidi2 fp peepholes): Remove.
        (cvtql): Use SFmode instead of SImode.
        (fix_trunc?fsi): Update to match.
        (floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
        (movsi): Rename from movsi_nofix, remove f alternatives.
        (movsi_nt_vms): Similarly.
        (movsi_fix, movsi_nt_vms_fix): Remove.
        (nt_lda): Remove.
        * alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.

From-SVN: r76145

gcc/ChangeLog

+2004-01-19  Richard Henderson  <rth@redhat.com>
+
+	* alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
+	* alpha.md (UNSPEC_NT_LDA): Remove.
+	(UNSPEC_CVTLQ, cvtlq): New.
+	(extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
+	(extendsidi2_fix): Remove.
+	(extendsidi2 splitter): Use cvtlq.
+	(extendsidi2 fp peepholes): Remove.
+	(cvtql): Use SFmode instead of SImode.
+	(fix_trunc?fsi): Update to match.
+	(floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
+	(movsi): Rename from movsi_nofix, remove f alternatives.
+	(movsi_nt_vms): Similarly.
+	(movsi_fix, movsi_nt_vms_fix): Remove.
+	(nt_lda): Remove.
+	* alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.
+
 2004-01-19  Jan Hubicka  <jh@suse.cz>
 
 	* cgraph.c (cgraph_remove_node): Fix removal from linked list.

gcc/config/alpha/alpha.c

@@ -7147,15 +7147,14 @@ alpha_expand_prologue (void)
 	     and subtract it to sp. 
 
 	     Yes, that's correct -- we have to reload the whole constant
-	     into a temporary via ldah+lda then subtract from sp.  To
-	     ensure we get ldah+lda, we use a special pattern.  */
+	     into a temporary via ldah+lda then subtract from sp.  */
 
 	  HOST_WIDE_INT lo, hi;
 	  lo = ((frame_size & 0xffff) ^ 0x8000) - 0x8000;
 	  hi = frame_size - lo;
 
 	  emit_move_insn (ptr, GEN_INT (hi));
-	  emit_insn (gen_nt_lda (ptr, GEN_INT (lo)));
+	  emit_insn (gen_adddi3 (ptr, ptr, GEN_INT (lo)));
 	  seq = emit_insn (gen_subdi3 (stack_pointer_rtx, stack_pointer_rtx,
 				       ptr));
 	}

gcc/config/alpha/alpha.h

@@ -614,12 +614,11 @@ extern const char *alpha_tls_size_string; /* For -mtls-size= */
 
 /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE.
    On Alpha, the integer registers can hold any mode.  The floating-point
-   registers can hold 32-bit and 64-bit integers as well, but not 16-bit
-   or 8-bit values.  */
+   registers can hold 64-bit integers as well, but not smaller values.  */
 
 #define HARD_REGNO_MODE_OK(REGNO, MODE) 				\
   ((REGNO) >= 32 && (REGNO) <= 62 					\
-   ? GET_MODE_UNIT_SIZE (MODE) == 8 || GET_MODE_UNIT_SIZE (MODE) == 4	\
+   ? (MODE) == SFmode || (MODE) == DFmode || (MODE) == DImode		\
    : 1)
 
 /* Value is 1 if MODE is a supported vector mode.  */