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-rw-r--r--devel/avr-gcc-3/files/patch-16bitassign215
1 files changed, 0 insertions, 215 deletions
diff --git a/devel/avr-gcc-3/files/patch-16bitassign b/devel/avr-gcc-3/files/patch-16bitassign
deleted file mode 100644
index d527a87cf935..000000000000
--- a/devel/avr-gcc-3/files/patch-16bitassign
+++ /dev/null
@@ -1,215 +0,0 @@
-===================================================================
-RCS file: /cvsroot/gcc/cvsroot/gcc/gcc/gcc/config/avr/avr.c,v
-retrieving revision 1.129
-retrieving revision 1.130
-diff -u -r1.129 -r1.130
---- gcc/config/avr/avr.c 2005/02/09 14:43:28 1.129
-+++ gcc/config/avr/avr.c 2005/03/06 21:50:34 1.130
-@@ -1120,6 +1120,16 @@
-
- print_operand (file, XEXP (addr, 1), 0);
- }
-+ else if (code == 'p' || code == 'r')
-+ {
-+ if (GET_CODE (addr) != POST_INC && GET_CODE (addr) != PRE_DEC)
-+ fatal_insn ("bad address, not post_inc or pre_dec:", addr);
-+
-+ if (code == 'p')
-+ print_operand_address (file, XEXP (addr, 0)); /* X, Y, Z */
-+ else
-+ print_operand (file, XEXP (addr, 0), 0); /* r26, r28, r30 */
-+ }
- else if (GET_CODE (addr) == PLUS)
- {
- print_operand_address (file, XEXP (addr,0));
-@@ -1835,6 +1845,9 @@
- rtx base = XEXP (src, 0);
- int reg_dest = true_regnum (dest);
- int reg_base = true_regnum (base);
-+ /* "volatile" forces reading low byte first, even if less efficient,
-+ for correct operation with 16-bit I/O registers. */
-+ int mem_volatile_p = MEM_VOLATILE_P (src);
- int tmp;
-
- if (!l)
-@@ -1928,6 +1941,25 @@
- if (reg_overlap_mentioned_p (dest, XEXP (base, 0)))
- fatal_insn ("incorrect insn:", insn);
-
-+ if (mem_volatile_p)
-+ {
-+ if (REGNO (XEXP (base, 0)) == REG_X)
-+ {
-+ *l = 4;
-+ return (AS2 (sbiw,r26,2) CR_TAB
-+ AS2 (ld,%A0,X+) CR_TAB
-+ AS2 (ld,%B0,X) CR_TAB
-+ AS2 (sbiw,r26,1));
-+ }
-+ else
-+ {
-+ *l = 3;
-+ return (AS2 (sbiw,%r1,2) CR_TAB
-+ AS2 (ld,%A0,%p1) CR_TAB
-+ AS2 (ldd,%B0,%p1+1));
-+ }
-+ }
-+
- *l = 2;
- return (AS2 (ld,%B0,%1) CR_TAB
- AS2 (ld,%A0,%1));
-@@ -2508,7 +2540,11 @@
- rtx base = XEXP (dest, 0);
- int reg_base = true_regnum (base);
- int reg_src = true_regnum (src);
-+ /* "volatile" forces writing high byte first, even if less efficient,
-+ for correct operation with 16-bit I/O registers. */
-+ int mem_volatile_p = MEM_VOLATILE_P (dest);
- int tmp;
-+
- if (!l)
- l = &tmp;
- if (CONSTANT_ADDRESS_P (base))
-@@ -2528,33 +2564,33 @@
- {
- if (reg_src == REG_X)
- {
-- /* "st X+,r26" is undefined */
-- if (reg_unused_after (insn, src))
-+ /* "st X+,r26" and "st -X,r26" are undefined. */
-+ if (!mem_volatile_p && reg_unused_after (insn, src))
- return *l=4, (AS2 (mov,__tmp_reg__,r27) CR_TAB
- AS2 (st,X,r26) CR_TAB
- AS2 (adiw,r26,1) CR_TAB
- AS2 (st,X,__tmp_reg__));
- else
- return *l=5, (AS2 (mov,__tmp_reg__,r27) CR_TAB
-- AS2 (st,X,r26) CR_TAB
- AS2 (adiw,r26,1) CR_TAB
- AS2 (st,X,__tmp_reg__) CR_TAB
-- AS2 (sbiw,r26,1));
-+ AS2 (sbiw,r26,1) CR_TAB
-+ AS2 (st,X,r26));
- }
- else
- {
-- if (reg_unused_after (insn, base))
-+ if (!mem_volatile_p && reg_unused_after (insn, base))
- return *l=2, (AS2 (st,X+,%A1) CR_TAB
- AS2 (st,X,%B1));
- else
-- return *l=3, (AS2 (st ,X+,%A1) CR_TAB
-- AS2 (st ,X,%B1) CR_TAB
-- AS2 (sbiw,r26,1));
-+ return *l=3, (AS2 (adiw,r26,1) CR_TAB
-+ AS2 (st,X,%B1) CR_TAB
-+ AS2 (st,-X,%A1));
- }
- }
- else
-- return *l=2, (AS2 (st ,%0,%A1) CR_TAB
-- AS2 (std,%0+1,%B1));
-+ return *l=2, (AS2 (std,%0+1,%B1) CR_TAB
-+ AS2 (st,%0,%A1));
- }
- else if (GET_CODE (base) == PLUS)
- {
-@@ -2567,14 +2603,14 @@
-
- if (disp <= 63 + MAX_LD_OFFSET (GET_MODE (dest)))
- return *l = 4, (AS2 (adiw,r28,%o0-62) CR_TAB
-- AS2 (std,Y+62,%A1) CR_TAB
- AS2 (std,Y+63,%B1) CR_TAB
-+ AS2 (std,Y+62,%A1) CR_TAB
- AS2 (sbiw,r28,%o0-62));
-
- return *l = 6, (AS2 (subi,r28,lo8(-%o0)) CR_TAB
- AS2 (sbci,r29,hi8(-%o0)) CR_TAB
-- AS2 (st,Y,%A1) CR_TAB
- AS2 (std,Y+1,%B1) CR_TAB
-+ AS2 (st,Y,%A1) CR_TAB
- AS2 (subi,r28,lo8(%o0)) CR_TAB
- AS2 (sbci,r29,hi8(%o0)));
- }
-@@ -2582,31 +2618,53 @@
- {
- /* (X + d) = R */
- if (reg_src == REG_X)
-- {
-+ {
- *l = 7;
- return (AS2 (mov,__tmp_reg__,r26) CR_TAB
- AS2 (mov,__zero_reg__,r27) CR_TAB
-- AS2 (adiw,r26,%o0) CR_TAB
-- AS2 (st,X+,__tmp_reg__) CR_TAB
-+ AS2 (adiw,r26,%o0+1) CR_TAB
- AS2 (st,X,__zero_reg__) CR_TAB
-+ AS2 (st,-X,__tmp_reg__) CR_TAB
- AS1 (clr,__zero_reg__) CR_TAB
-- AS2 (sbiw,r26,%o0+1));
-+ AS2 (sbiw,r26,%o0));
- }
- *l = 4;
-- return (AS2 (adiw,r26,%o0) CR_TAB
-- AS2 (st,X+,%A1) CR_TAB
-- AS2 (st,X,%B1) CR_TAB
-- AS2 (sbiw,r26,%o0+1));
-+ return (AS2 (adiw,r26,%o0+1) CR_TAB
-+ AS2 (st,X,%B1) CR_TAB
-+ AS2 (st,-X,%A1) CR_TAB
-+ AS2 (sbiw,r26,%o0));
- }
-- return *l=2, (AS2 (std,%A0,%A1) CR_TAB
-- AS2 (std,%B0,%B1));
-+ return *l=2, (AS2 (std,%B0,%B1) CR_TAB
-+ AS2 (std,%A0,%A1));
- }
- else if (GET_CODE (base) == PRE_DEC) /* (--R) */
- return *l=2, (AS2 (st,%0,%B1) CR_TAB
- AS2 (st,%0,%A1));
- else if (GET_CODE (base) == POST_INC) /* (R++) */
-- return *l=2, (AS2 (st,%0,%A1) CR_TAB
-- AS2 (st,%0,%B1));
-+ {
-+ if (mem_volatile_p)
-+ {
-+ if (REGNO (XEXP (base, 0)) == REG_X)
-+ {
-+ *l = 4;
-+ return (AS2 (adiw,r26,1) CR_TAB
-+ AS2 (st,X,%B1) CR_TAB
-+ AS2 (st,-X,%A1) CR_TAB
-+ AS2 (adiw,r26,2));
-+ }
-+ else
-+ {
-+ *l = 3;
-+ return (AS2 (std,%p0+1,%B1) CR_TAB
-+ AS2 (st,%p0,%A1) CR_TAB
-+ AS2 (adiw,%r0,2));
-+ }
-+ }
-+
-+ *l = 2;
-+ return (AS2 (st,%0,%A1) CR_TAB
-+ AS2 (st,%0,%B1));
-+ }
- fatal_insn ("unknown move insn:",insn);
- return "";
- }
-===================================================================
-RCS file: /cvsroot/gcc/cvsroot/gcc/gcc/gcc/config/avr/avr.md,v
-retrieving revision 1.49
-retrieving revision 1.50
-diff -u -r1.49 -r1.50
---- gcc/config/avr/avr.md 2005/01/27 18:22:25 1.49
-+++ gcc/config/avr/avr.md 2005/03/06 21:50:36 1.50
-@@ -30,6 +30,8 @@
- ;; j Branch condition.
- ;; k Reverse branch condition.
- ;; o Displacement for (mem (plus (reg) (const_int))) operands.
-+;; p POST_INC or PRE_DEC address as a pointer (X, Y, Z)
-+;; r POST_INC or PRE_DEC address as a register (r26, r28, r30)
- ;; ~ Output 'r' if not AVR_MEGA.
-
- ;; UNSPEC usage:
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-06 15:11:34 +0000