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-rw-r--r--meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0053-Patch-microblaze-MB-64-removal-of-barrel-shift-instr.patch478
1 files changed, 478 insertions, 0 deletions
diff --git a/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0053-Patch-microblaze-MB-64-removal-of-barrel-shift-instr.patch b/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0053-Patch-microblaze-MB-64-removal-of-barrel-shift-instr.patch
new file mode 100644
index 000000000..8dce84764
--- /dev/null
+++ b/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0053-Patch-microblaze-MB-64-removal-of-barrel-shift-instr.patch
@@ -0,0 +1,478 @@
+From e3b95d5646d4197bff81105c12bcbc5e7dba1725 Mon Sep 17 00:00:00 2001
+From: Nagaraju <nmekala@xilinx.com>
+Date: Thu, 18 Apr 2019 16:00:37 +0530
+Subject: [PATCH 53/58] [Patch, microblaze]: MB-64 removal of barrel-shift
+ instructions from default
+
+By default MB-64 is generatting barrel-shift instructions. It has been
+removed from default. Barrel-shift instructions will be generated only if
+barrel-shifter is enabled. Similarly to double instructions as well.
+
+Signed-off-by :Nagaraju Mekala <nmekala@xilix.com>
+---
+ gcc/config/microblaze/microblaze.c | 2 +-
+ gcc/config/microblaze/microblaze.md | 269 ++++++++++++++++++++++++++--
+ 2 files changed, 252 insertions(+), 19 deletions(-)
+
+diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c
+index 12b1da852dd..5b4c21af365 100644
+--- a/gcc/config/microblaze/microblaze.c
++++ b/gcc/config/microblaze/microblaze.c
+@@ -4000,7 +4000,7 @@ microblaze_expand_divide (rtx operands[])
+ emit_insn (gen_rtx_CLOBBER (Pmode, reg18));
+
+ if (TARGET_MB_64) {
+- emit_insn (gen_ashldi3_long (regt1, operands[1], GEN_INT(4)));
++ emit_insn (gen_ashldi3 (regt1, operands[1], GEN_INT(4)));
+ emit_insn (gen_adddi3 (regt1, regt1, operands[2]));
+ }
+ else {
+diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md
+index 626eade9468..6cc62666269 100644
+--- a/gcc/config/microblaze/microblaze.md
++++ b/gcc/config/microblaze/microblaze.md
+@@ -547,7 +547,7 @@
+ [(set (match_operand:DF 0 "register_operand" "=d")
+ (plus:DF (match_operand:DF 1 "register_operand" "d")
+ (match_operand:DF 2 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_HARD_FLOAT && TARGET_FLOAT_CONVERT"
+ "dadd\t%0,%1,%2"
+ [(set_attr "type" "fadd")
+ (set_attr "mode" "DF")
+@@ -557,7 +557,7 @@
+ [(set (match_operand:DF 0 "register_operand" "=d")
+ (minus:DF (match_operand:DF 1 "register_operand" "d")
+ (match_operand:DF 2 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_HARD_FLOAT && TARGET_FLOAT_CONVERT"
+ "drsub\t%0,%2,%1"
+ [(set_attr "type" "frsub")
+ (set_attr "mode" "DF")
+@@ -567,7 +567,7 @@
+ [(set (match_operand:DF 0 "register_operand" "=d")
+ (mult:DF (match_operand:DF 1 "register_operand" "d")
+ (match_operand:DF 2 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_HARD_FLOAT && TARGET_FLOAT_CONVERT"
+ "dmul\t%0,%1,%2"
+ [(set_attr "type" "fmul")
+ (set_attr "mode" "DF")
+@@ -577,7 +577,7 @@
+ [(set (match_operand:DF 0 "register_operand" "=d")
+ (div:DF (match_operand:DF 1 "register_operand" "d")
+ (match_operand:DF 2 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_HARD_FLOAT && TARGET_FLOAT_CONVERT"
+ "ddiv\t%0,%2,%1"
+ [(set_attr "type" "fdiv")
+ (set_attr "mode" "DF")
+@@ -587,7 +587,7 @@
+ (define_insn "sqrtdf2"
+ [(set (match_operand:DF 0 "register_operand" "=d")
+ (sqrt:DF (match_operand:DF 1 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_HARD_FLOAT && TARGET_FLOAT_CONVERT"
+ "dsqrt\t%0,%1"
+ [(set_attr "type" "fsqrt")
+ (set_attr "mode" "DF")
+@@ -596,7 +596,7 @@
+ (define_insn "floatdidf2"
+ [(set (match_operand:DF 0 "register_operand" "=d")
+ (float:DF (match_operand:DI 1 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_HARD_FLOAT && TARGET_FLOAT_CONVERT"
+ "dbl\t%0,%1"
+ [(set_attr "type" "fcvt")
+ (set_attr "mode" "DF")
+@@ -605,7 +605,7 @@
+ (define_insn "fix_truncdfdi2"
+ [(set (match_operand:DI 0 "register_operand" "=d")
+ (fix:DI (fix:DF (match_operand:DF 1 "register_operand" "d"))))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_HARD_FLOAT && TARGET_FLOAT_CONVERT"
+ "dlong\t%0,%1"
+ [(set_attr "type" "fcvt")
+ (set_attr "mode" "DI")
+@@ -1301,6 +1301,34 @@
+ (set_attr "mode" "DI")
+ (set_attr "length" "4")])
+
++(define_insn "*movdi_internal2_bshift"
++ [(set (match_operand:DI 0 "nonimmediate_operand" "=d,d,d, d,d,R,m")
++ (match_operand:DI 1 "move_src_operand" " d,I,Mnis,R,m,dJ,dJ"))]
++ "TARGET_MB_64 && TARGET_BARREL_SHIFT"
++ {
++ switch (which_alternative)
++ {
++ case 0:
++ return "addlk\t%0,%1,r0";
++ case 1:
++ case 2:
++ if (GET_CODE (operands[1]) == CONST_INT &&
++ (INTVAL (operands[1]) > (long long)549755813887 || INTVAL (operands[1]) < (long long)-549755813888))
++ return "addlik\t%0,r0,%h1\n\tbsllli\t%0,%0,32\n\taddlik\t%0,%0,%j1 #li => la";
++ else
++ return "addlik\t%0,r0,%1";
++ case 3:
++ case 4:
++ return "ll%i1\t%0,%1";
++ case 5:
++ case 6:
++ return "sl%i0\t%z1,%0";
++ }
++ }
++ [(set_attr "type" "load,no_delay_load,no_delay_load,no_delay_load,no_delay_load,no_delay_store,no_delay_store")
++ (set_attr "mode" "DI")
++ (set_attr "length" "4,4,12,4,8,4,8")])
++
+ (define_insn "*movdi_internal2"
+ [(set (match_operand:DI 0 "nonimmediate_operand" "=d,d,d, d,d,R,m")
+ (match_operand:DI 1 "move_src_operand" " d,I,Mnis,R,m,dJ,dJ"))]
+@@ -1314,7 +1342,15 @@
+ case 2:
+ if (GET_CODE (operands[1]) == CONST_INT &&
+ (INTVAL (operands[1]) > (long long)549755813887 || INTVAL (operands[1]) < (long long)-549755813888))
+- return "addlik\t%0,r0,%h1\n\tbsllli\t%0,%0,32\n\taddlik\t%0,%0,%j1 #li => la";
++ {
++ operands[2] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++ output_asm_insn ("addlik\t%0,r0,%h1", operands);
++ output_asm_insn ("addlik\t%2,r0,32", operands);
++ output_asm_insn ("addlik\t%2,%2,-1", operands);
++ output_asm_insn ("beaneid\t%2,.-8", operands);
++ output_asm_insn ("addlk\t%0,%0,%0", operands);
++ return "addlik\t%0,%0,%j1 #li => la";
++ }
+ else
+ return "addlik\t%0,r0,%1";
+ case 3:
+@@ -1388,7 +1424,7 @@
+ (define_insn "movdi_long_int"
+ [(set (match_operand:DI 0 "nonimmediate_operand" "=d")
+ (match_operand:DI 1 "general_operand" "i"))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_BARREL_SHIFT"
+ "addlik\t%0,r0,%h1\n\tbsllli\t%0,%0,32\n\taddlik\t%0,%0,%j1 #li => la";
+ [(set_attr "type" "no_delay_arith")
+ (set_attr "mode" "DI")
+@@ -1655,6 +1691,33 @@
+ ;; movdf_internal
+ ;; Applies to both TARGET_SOFT_FLOAT and TARGET_HARD_FLOAT
+ ;;
++(define_insn "*movdf_internal_64_bshift"
++ [(set (match_operand:DF 0 "nonimmediate_operand" "=d,d,d,d,d,m")
++ (match_operand:DF 1 "general_operand" "d,dG,m,F,T,d"))]
++ "TARGET_MB_64 && TARGET_BARREL_SHIFT"
++ {
++ switch (which_alternative)
++ {
++ case 0:
++ return "addlk\t%0,%1,r0";
++ case 1:
++ return "addlk\t%0,r0,r0";
++ case 2:
++ case 4:
++ return "ll%i1\t%0,%1";
++ case 3:
++ {
++ return "addlik\t%0,r0,%j1 \n\tbsllli\t%0,%0,32\n\taddlik\t%0,%0,%h1 #Xfer Lo";
++ }
++ case 5:
++ return "sl%i0\t%1,%0";
++ }
++ gcc_unreachable ();
++ }
++ [(set_attr "type" "no_delay_move,no_delay_move,no_delay_load,no_delay_load,no_delay_load,no_delay_store")
++ (set_attr "mode" "DF")
++ (set_attr "length" "4,4,4,16,4,4")])
++
+ (define_insn "*movdf_internal_64"
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=d,d,d,d,d,m")
+ (match_operand:DF 1 "general_operand" "d,dG,m,F,T,d"))]
+@@ -1671,7 +1734,13 @@
+ return "ll%i1\t%0,%1";
+ case 3:
+ {
+- return "addlik\t%0,r0,%j1 \n\tbsllli\t%0,%0,32\n\taddlik\t%0,%0,%h1 #Xfer Lo";
++ operands[2] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++ output_asm_insn ("addlik\t%0,r0,%h1", operands);
++ output_asm_insn ("addlik\t%2,r0,32", operands);
++ output_asm_insn ("addlik\t%2,%2,-1", operands);
++ output_asm_insn ("beaneid\t%2,.-8", operands);
++ output_asm_insn ("addlk\t%0,%0,%0", operands);
++ return "addlik\t%0,%0,%j1 #li => la";
+ }
+ case 5:
+ return "sl%i0\t%1,%0";
+@@ -1791,11 +1860,21 @@
+ "TARGET_MB_64"
+ {
+ ;;if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65)
+-if (INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65)
++if (INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && TARGET_BARREL_SHIFT)
+ {
+ emit_insn(gen_ashldi3_long (operands[0], operands[1],operands[2]));
+ DONE;
+ }
++else if(INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && CONST_INT_P (operands[2]))
++ {
++ emit_insn(gen_ashldi3_const (operands[0], operands[1],operands[2]));
++ DONE;
++ }
++else if(INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && GET_CODE (operands[2]) == REG)
++ {
++ emit_insn(gen_ashldi3_reg (operands[0], operands[1],operands[2]));
++ DONE;
++ }
+ else
+ FAIL;
+ }
+@@ -1805,7 +1884,7 @@ else
+ [(set (match_operand:DI 0 "register_operand" "=d,d")
+ (ashift:DI (match_operand:DI 1 "register_operand" "d,d")
+ (match_operand:DI 2 "arith_operand" "I,d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_BARREL_SHIFT"
+ "@
+ bsllli\t%0,%1,%2
+ bslll\t%0,%1,%2"
+@@ -1813,6 +1892,51 @@ else
+ (set_attr "mode" "DI,DI")
+ (set_attr "length" "4,4")]
+ )
++
++(define_insn "ashldi3_const"
++ [(set (match_operand:DI 0 "register_operand" "=&d")
++ (ashift:DI (match_operand:DI 1 "register_operand" "d")
++ (match_operand:DI 2 "immediate_operand" "I")))]
++ "TARGET_MB_64"
++ {
++ operands[3] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++
++ output_asm_insn ("orli\t%3,r0,%2", operands);
++ if (REGNO (operands[0]) != REGNO (operands[1]))
++ output_asm_insn ("addlk\t%0,%1,r0", operands);
++
++ output_asm_insn ("addlik\t%3,%3,-1", operands);
++ output_asm_insn ("beaneid\t%3,.-8", operands);
++ return "addlk\t%0,%0,%0";
++ }
++ [(set_attr "type" "multi")
++ (set_attr "mode" "DI")
++ (set_attr "length" "20")]
++)
++
++(define_insn "ashldi3_reg"
++ [(set (match_operand:DI 0 "register_operand" "=&d")
++ (ashift:DI (match_operand:DI 1 "register_operand" "d")
++ (match_operand:DI 2 "register_operand" "d")))]
++ "TARGET_MB_64"
++ {
++ operands[3] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++ output_asm_insn ("andli\t%3,%2,31", operands);
++ if (REGNO (operands[0]) != REGNO (operands[1]))
++ output_asm_insn ("addlk\t%0,r0,%1", operands);
++ /* Exit the loop if zero shift. */
++ output_asm_insn ("beaeqid\t%3,.+24", operands);
++ /* Emit the loop. */
++ output_asm_insn ("addlk\t%0,%0,r0", operands);
++ output_asm_insn ("addlik\t%3,%3,-1", operands);
++ output_asm_insn ("beaneid\t%3,.-8", operands);
++ return "addlk\t%0,%0,%0";
++ }
++ [(set_attr "type" "multi")
++ (set_attr "mode" "DI")
++ (set_attr "length" "28")]
++)
++
+ ;; The following patterns apply when there is no barrel shifter present
+
+ (define_insn "*ashlsi3_with_mul_delay"
+@@ -1946,11 +2070,21 @@ else
+ "TARGET_MB_64"
+ {
+ ;;if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65)
+-if (INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65)
++if (INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && TARGET_BARREL_SHIFT)
+ {
+ emit_insn(gen_ashrdi3_long (operands[0], operands[1],operands[2]));
+ DONE;
+ }
++else if(INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && CONST_INT_P (operands[2]))
++ {
++ emit_insn(gen_ashrdi3_const (operands[0], operands[1],operands[2]));
++ DONE;
++ }
++else if(INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && GET_CODE (operands[2]) == REG)
++ {
++ emit_insn(gen_ashrdi3_reg (operands[0], operands[1],operands[2]));
++ DONE;
++ }
+ else
+ FAIL;
+ }
+@@ -1960,7 +2094,7 @@ else
+ [(set (match_operand:DI 0 "register_operand" "=d,d")
+ (ashiftrt:DI (match_operand:DI 1 "register_operand" "d,d")
+ (match_operand:DI 2 "arith_operand" "I,d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_BARREL_SHIFT"
+ "@
+ bslrai\t%0,%1,%2
+ bslra\t%0,%1,%2"
+@@ -1968,6 +2102,51 @@ else
+ (set_attr "mode" "DI,DI")
+ (set_attr "length" "4,4")]
+ )
++
++(define_insn "ashrdi3_const"
++ [(set (match_operand:DI 0 "register_operand" "=&d")
++ (ashiftrt:DI (match_operand:DI 1 "register_operand" "d")
++ (match_operand:DI 2 "immediate_operand" "I")))]
++ "TARGET_MB_64"
++ {
++ operands[3] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++
++ output_asm_insn ("orli\t%3,r0,%2", operands);
++ if (REGNO (operands[0]) != REGNO (operands[1]))
++ output_asm_insn ("addlk\t%0,%1,r0", operands);
++
++ output_asm_insn ("addlik\t%3,%3,-1", operands);
++ output_asm_insn ("beaneid\t%3,.-8", operands);
++ return "srla\t%0,%0";
++ }
++ [(set_attr "type" "arith")
++ (set_attr "mode" "DI")
++ (set_attr "length" "20")]
++)
++
++(define_insn "ashrdi3_reg"
++ [(set (match_operand:DI 0 "register_operand" "=&d")
++ (ashiftrt:DI (match_operand:DI 1 "register_operand" "d")
++ (match_operand:DI 2 "register_operand" "d")))]
++ "TARGET_MB_64"
++ {
++ operands[3] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++ output_asm_insn ("andli\t%3,%2,31", operands);
++ if (REGNO (operands[0]) != REGNO (operands[1]))
++ output_asm_insn ("addlk\t%0,r0,%1", operands);
++ /* Exit the loop if zero shift. */
++ output_asm_insn ("beaeqid\t%3,.+24", operands);
++ /* Emit the loop. */
++ output_asm_insn ("addlk\t%0,%0,r0", operands);
++ output_asm_insn ("addlik\t%3,%3,-1", operands);
++ output_asm_insn ("beaneid\t%3,.-8", operands);
++ return "srla\t%0,%0";
++ }
++ [(set_attr "type" "multi")
++ (set_attr "mode" "DI")
++ (set_attr "length" "28")]
++)
++
+ (define_expand "ashrsi3"
+ [(set (match_operand:SI 0 "register_operand" "=&d")
+ (ashiftrt:SI (match_operand:SI 1 "register_operand" "d")
+@@ -2085,11 +2264,21 @@ else
+ "TARGET_MB_64"
+ {
+ ;;if (CONST_INT_P (operands[2]) && INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65)
+-if (INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65)
++if (INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && TARGET_BARREL_SHIFT)
+ {
+ emit_insn(gen_lshrdi3_long (operands[0], operands[1],operands[2]));
+ DONE;
+ }
++else if(INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && CONST_INT_P (operands[2]))
++ {
++ emit_insn(gen_lshrdi3_const (operands[0], operands[1],operands[2]));
++ DONE;
++ }
++else if(INTVAL (operands[2]) > 0 && INTVAL (operands[2]) < 65 && GET_CODE (operands[2]) == REG)
++ {
++ emit_insn(gen_lshrdi3_reg (operands[0], operands[1],operands[2]));
++ DONE;
++ }
+ else
+ FAIL;
+ }
+@@ -2099,7 +2288,7 @@ else
+ [(set (match_operand:DI 0 "register_operand" "=d,d")
+ (lshiftrt:DI (match_operand:DI 1 "register_operand" "d,d")
+ (match_operand:DI 2 "arith_operand" "I,d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_BARREL_SHIFT"
+ "@
+ bslrli\t%0,%1,%2
+ bslrl\t%0,%1,%2"
+@@ -2108,6 +2297,50 @@ else
+ (set_attr "length" "4,4")]
+ )
+
++(define_insn "lshrdi3_const"
++ [(set (match_operand:DI 0 "register_operand" "=&d")
++ (lshiftrt:DI (match_operand:DI 1 "register_operand" "d")
++ (match_operand:DI 2 "immediate_operand" "I")))]
++ "TARGET_MB_64"
++ {
++ operands[3] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++
++ output_asm_insn ("orli\t%3,r0,%2", operands);
++ if (REGNO (operands[0]) != REGNO (operands[1]))
++ output_asm_insn ("addlk\t%0,%1,r0", operands);
++
++ output_asm_insn ("addlik\t%3,%3,-1", operands);
++ output_asm_insn ("beaneid\t%3,.-8", operands);
++ return "srll\t%0,%0";
++ }
++ [(set_attr "type" "multi")
++ (set_attr "mode" "DI")
++ (set_attr "length" "20")]
++)
++
++(define_insn "lshrdi3_reg"
++ [(set (match_operand:DI 0 "register_operand" "=&d")
++ (lshiftrt:DI (match_operand:DI 1 "register_operand" "d")
++ (match_operand:DI 2 "register_operand" "d")))]
++ "TARGET_MB_64"
++ {
++ operands[3] = gen_rtx_REG (DImode, MB_ABI_ASM_TEMP_REGNUM);
++ output_asm_insn ("andli\t%3,%2,31", operands);
++ if (REGNO (operands[0]) != REGNO (operands[1]))
++ output_asm_insn ("addlk\t%0,r0,%1", operands);
++ /* Exit the loop if zero shift. */
++ output_asm_insn ("beaeqid\t%3,.+24", operands);
++ /* Emit the loop. */
++ output_asm_insn ("addlk\t%0,%0,r0", operands);
++ output_asm_insn ("addlik\t%3,%3,-1", operands);
++ output_asm_insn ("beaneid\t%3,.-8", operands);
++ return "srll\t%0,%0";
++ }
++ [(set_attr "type" "multi")
++ (set_attr "mode" "SI")
++ (set_attr "length" "28")]
++)
++
+ (define_expand "lshrsi3"
+ [(set (match_operand:SI 0 "register_operand" "=&d")
+ (lshiftrt:SI (match_operand:SI 1 "register_operand" "d")
+@@ -2235,7 +2468,7 @@ else
+ (eq:DI
+ (match_operand:DI 1 "register_operand" "d")
+ (match_operand:DI 2 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_PATTERN_COMPARE"
+ "pcmpleq\t%0,%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+@@ -2247,7 +2480,7 @@ else
+ (ne:DI
+ (match_operand:DI 1 "register_operand" "d")
+ (match_operand:DI 2 "register_operand" "d")))]
+- "TARGET_MB_64"
++ "TARGET_MB_64 && TARGET_PATTERN_COMPARE"
+ "pcmplne\t%0,%1,%2"
+ [(set_attr "type" "arith")
+ (set_attr "mode" "DI")
+--
+2.17.1
+