grunwald@foobar.colorado.edu (Dirk Grunwald) (10/17/89)
The following patches to the 1.36 mips.md file fixes missing pattern
when compiling:
foo(int i, float f)
{
return(i + f)
}
Looks like it generates the right code too. This modification was
originally done either my Mark Linton at stanford or Tiemann at the
request of Linton. Linton has been using it for some time, he says.
*** /tmp/,RCSt1a03341 Mon Oct 16 12:59:56 1989
--- mips.md Mon Oct 16 11:12:17 1989
***************
*** 1272,1285 ****
}")
(define_insn "movsf"
! [(set (match_operand:SF 0 "general_operand" "=f,f,m,f")
! (match_operand:SF 1 "general_operand" "f,m,f,F"))
(clobber (reg:SI 24))]
""
"*
{
if (GET_CODE (operands[0]) == REG && GET_CODE (operands[1]) == REG)
! return \"mov.s %0,%1\\t#movsf %1 -> %0 \";
if (GET_CODE (operands[0]) == REG
&& GET_CODE (operands[1]) == CONST_DOUBLE)
--- 1272,1295 ----
}")
(define_insn "movsf"
! [(set (match_operand:SF 0 "general_operand" "=f,rf,m,f,!rf")
! (match_operand:SF 1 "general_operand" "f,m,rf,F,rf"))
(clobber (reg:SI 24))]
""
"*
{
if (GET_CODE (operands[0]) == REG && GET_CODE (operands[1]) == REG)
! {
! if (REGNO (operands[0]) >= 32)
! {
! if (REGNO (operands[1]) >= 32)
! return \"mov.s %0,%1\\t#movsf %1 -> %0 \";
! return \"mfc1 %1,%0\";
! }
! if (REGNO (operands[1]) >= 32)
! return \"mfc1 %0,%1\";
! return \"add%: %0,$0,%1\";
! }
if (GET_CODE (operands[0]) == REG
&& GET_CODE (operands[1]) == CONST_DOUBLE)
***************
*** 1313,1321 ****
** bits correctly
*/
else if (GET_CODE (operands[0]) == REG)
! return \"l.s\\t %0,%1\\t#movsf %1 -> %0\";
else
! return \"s.s\\t %1,%0\\t#movsf %1 -> %0\";
}")
;; ---
--- 1323,1339 ----
** bits correctly
*/
else if (GET_CODE (operands[0]) == REG)
! {
! if (REGNO (operands[0]) < 32)
! return \"lw\\t %0,%1\\t#movsf %1 -> %0\";
! return \"l.s\\t %0,%1\\t#movsf %1 -> %0\";
! }
else
! {
! if (REGNO (operands[1]) < 32)
! return \"sw\\t %1,%0\\t#movsf %1 -> %0\";
! return \"s.s\\t %1,%0\\t#movsf %1 -> %0\";
! }
}")
;; ---grunwald@foobar.colorado.edu (Dirk Grunwald) (10/17/89)
argle - this patch does *not* fix the problem, although it does generate correct code & relaxes constraints on the code generator. I misplaced my test file (had test.c & test.cc sym-linked together to make certain g++ & gcc worked - somehow, they got unlinked). back to the drawing boards.