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Index: gcc-linaro-4.5-2011.08/gcc/config/mips/mips.c
===================================================================
--- gcc-linaro-4.5-2011.08.orig/gcc/config/mips/mips.c
+++ gcc-linaro-4.5-2011.08/gcc/config/mips/mips.c
@@ -6575,6 +6575,8 @@ mips_block_move_straight (rtx dest, rtx
if (MEM_ALIGN (src) == BITS_PER_WORD / 2
&& MEM_ALIGN (dest) == BITS_PER_WORD / 2)
bits = BITS_PER_WORD / 2;
+ else if (TARGET_LEXRA)
+ bits = MIN (MEM_ALIGN (src), MEM_ALIGN (dest));
else
bits = BITS_PER_WORD;
@@ -6956,6 +6958,8 @@ mips_expand_ext_as_unaligned_load (rtx d
}
else
{
+ if (TARGET_LEXRA)
+ return false;
emit_insn (gen_mov_lwl (temp, src, left));
emit_insn (gen_mov_lwr (dest, copy_rtx (src), right, temp));
}
@@ -6989,6 +6993,8 @@ mips_expand_ins_as_unaligned_store (rtx
}
else
{
+ if (TARGET_LEXRA)
+ return false;
emit_insn (gen_mov_swl (dest, src, left));
emit_insn (gen_mov_swr (copy_rtx (dest), copy_rtx (src), right));
}
Index: gcc-linaro-4.5-2011.08/gcc/config/mips/mips.md
===================================================================
--- gcc-linaro-4.5-2011.08.orig/gcc/config/mips/mips.md
+++ gcc-linaro-4.5-2011.08/gcc/config/mips/mips.md
@@ -63,6 +63,12 @@
sb1a
sr71000
xlr
+ lx4180
+ rlx4181
+ rlx4281
+ rlx5181
+ lx5280
+ rlx5281
])
(define_c_enum "unspec" [
@@ -3756,7 +3756,7 @@
(unspec:GPR [(match_operand:BLK 1 "memory_operand" "m")
(match_operand:QI 2 "memory_operand" "m")]
UNSPEC_LOAD_LEFT))]
- "!TARGET_MIPS16 && mips_mem_fits_mode_p (<MODE>mode, operands[1])"
+ "!TARGET_MIPS16 && !TARGET_LEXRA && mips_mem_fits_mode_p (<MODE>mode, operands[1])"
"<load>l\t%0,%2"
[(set_attr "move_type" "load")
(set_attr "mode" "<MODE>")])
@@ -3767,7 +3767,7 @@
(match_operand:QI 2 "memory_operand" "m")
(match_operand:GPR 3 "register_operand" "0")]
UNSPEC_LOAD_RIGHT))]
- "!TARGET_MIPS16 && mips_mem_fits_mode_p (<MODE>mode, operands[1])"
+ "!TARGET_MIPS16 && !TARGET_LEXRA && mips_mem_fits_mode_p (<MODE>mode, operands[1])"
"<load>r\t%0,%2"
[(set_attr "move_type" "load")
(set_attr "mode" "<MODE>")])
@@ -3777,7 +3777,7 @@
(unspec:BLK [(match_operand:GPR 1 "reg_or_0_operand" "dJ")
(match_operand:QI 2 "memory_operand" "m")]
UNSPEC_STORE_LEFT))]
- "!TARGET_MIPS16 && mips_mem_fits_mode_p (<MODE>mode, operands[0])"
+ "!TARGET_MIPS16 && !TARGET_LEXRA && mips_mem_fits_mode_p (<MODE>mode, operands[0])"
"<store>l\t%z1,%2"
[(set_attr "move_type" "store")
(set_attr "mode" "<MODE>")])
@@ -3788,7 +3788,7 @@
(match_operand:QI 2 "memory_operand" "m")
(match_dup 0)]
UNSPEC_STORE_RIGHT))]
- "!TARGET_MIPS16 && mips_mem_fits_mode_p (<MODE>mode, operands[0])"
+ "!TARGET_MIPS16 && !TARGET_LEXRA && mips_mem_fits_mode_p (<MODE>mode, operands[0])"
"<store>r\t%z1,%2"
[(set_attr "move_type" "store")
(set_attr "mode" "<MODE>")])
Index: gcc-linaro-4.5-2011.08/gcc/config/mips/mips.opt
===================================================================
--- gcc-linaro-4.5-2011.08.orig/gcc/config/mips/mips.opt
+++ gcc-linaro-4.5-2011.08/gcc/config/mips/mips.opt
@@ -244,6 +244,10 @@ mpaired-single
Target Report Mask(PAIRED_SINGLE_FLOAT)
Use paired-single floating-point instructions
+mlexra
+Target Report Mask(LEXRA)
+Do not use lwl/lwr/swl/swr instructions absent in Lexra chips
+
mr10k-cache-barrier=
Target Joined RejectNegative
-mr10k-cache-barrier=SETTING Specify when r10k cache barriers should be inserted
|