summaryrefslogtreecommitdiff
path: root/toolchain/gcc/3.4.6/600-gcc34-arm-ldm-peephole.patch
diff options
context:
space:
mode:
Diffstat (limited to 'toolchain/gcc/3.4.6/600-gcc34-arm-ldm-peephole.patch')
-rw-r--r--toolchain/gcc/3.4.6/600-gcc34-arm-ldm-peephole.patch65
1 files changed, 0 insertions, 65 deletions
diff --git a/toolchain/gcc/3.4.6/600-gcc34-arm-ldm-peephole.patch b/toolchain/gcc/3.4.6/600-gcc34-arm-ldm-peephole.patch
deleted file mode 100644
index 0c370502c..000000000
--- a/toolchain/gcc/3.4.6/600-gcc34-arm-ldm-peephole.patch
+++ /dev/null
@@ -1,65 +0,0 @@
---- gcc-3.4.0/gcc/config/arm/arm.md.arm-ldm-peephole 2004-01-13 08:24:37.000000000 -0500
-+++ gcc-3.4.0/gcc/config/arm/arm.md 2004-04-24 18:18:04.000000000 -0400
-@@ -8810,13 +8810,16 @@
- (set_attr "length" "4,8,8")]
- )
-
-+; Try to convert LDR+LDR+arith into [add+]LDM+arith
-+; On XScale, LDM is always slower than two LDRs, so only do this if
-+; optimising for size.
- (define_insn "*arith_adjacentmem"
- [(set (match_operand:SI 0 "s_register_operand" "=r")
- (match_operator:SI 1 "shiftable_operator"
- [(match_operand:SI 2 "memory_operand" "m")
- (match_operand:SI 3 "memory_operand" "m")]))
- (clobber (match_scratch:SI 4 "=r"))]
-- "TARGET_ARM && adjacent_mem_locations (operands[2], operands[3])"
-+ "TARGET_ARM && (!arm_tune_xscale || optimize_size) && adjacent_mem_locations (operands[2], operands[3])"
- "*
- {
- rtx ldm[3];
-@@ -8851,6 +8854,8 @@
- }
- if (val1 && val2)
- {
-+ /* This would be a loss on a Harvard core, but adjacent_mem_locations()
-+ will prevent it from happening. */
- rtx ops[3];
- ldm[0] = ops[0] = operands[4];
- ops[1] = XEXP (XEXP (operands[2], 0), 0);
---- gcc-3.4.0/gcc/config/arm/arm.c.arm-ldm-peephole 2004-04-24 18:16:25.000000000 -0400
-+++ gcc-3.4.0/gcc/config/arm/arm.c 2004-04-24 18:18:04.000000000 -0400
-@@ -4838,6 +4841,11 @@
- *load_offset = unsorted_offsets[order[0]];
- }
-
-+ /* For XScale a two-word LDM is a performance loss, so only do this if
-+ size is more important. See comments in arm_gen_load_multiple. */
-+ if (nops == 2 && arm_tune_xscale && !optimize_size)
-+ return 0;
-+
- if (unsorted_offsets[order[0]] == 0)
- return 1; /* ldmia */
-
-@@ -5064,6 +5072,11 @@
- *load_offset = unsorted_offsets[order[0]];
- }
-
-+ /* For XScale a two-word LDM is a performance loss, so only do this if
-+ size is more important. See comments in arm_gen_load_multiple. */
-+ if (nops == 2 && arm_tune_xscale && !optimize_size)
-+ return 0;
-+
- if (unsorted_offsets[order[0]] == 0)
- return 1; /* stmia */
-
---- gcc-3.4.0/gcc/genpeep.c.arm-ldm-peephole 2003-07-05 01:27:22.000000000 -0400
-+++ gcc-3.4.0/gcc/genpeep.c 2004-04-24 18:18:04.000000000 -0400
-@@ -381,6 +381,7 @@
- printf ("#include \"recog.h\"\n");
- printf ("#include \"except.h\"\n\n");
- printf ("#include \"function.h\"\n\n");
-+ printf ("#include \"flags.h\"\n\n");
-
- printf ("#ifdef HAVE_peephole\n");
- printf ("extern rtx peep_operand[];\n\n");