[PATCH v2 02/10] Only split shifts if using -mno-debugd

[Aleksandar Rakic]

From: Andrew Bennett <andrew.benn...@imgtec.com>

gcc/
        * config/mips/mips.md (<optab><mode>3): Check
        TARGET_DEBUG_D_MODE before split.
        * config/mips/mips.opt: Enable -mdebugd by default.

Cherry-picked adb95984114b7636ee15f2ba79f94b028c8b35b2
from https://github.com/MIPS/gcc

Signed-off-by: Andrew Bennett <andrew.benn...@imgtec.com>
Signed-off-by: Faraz Shahbazker <fshahbaz...@wavecomp.com>
Signed-off-by: Aleksandar Rakic <aleksandar.ra...@htecgroup.com>
---
 gcc/config/mips/mips.md  | 1 +
 gcc/config/mips/mips.opt | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index f147667d63a..9813745dd95 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -5833,6 +5833,7 @@
      be careful not to allocate a new register if we've reached the
      reload pass.  */
   if (TARGET_MIPS16
+      && !TARGET_DEBUG_D_MODE
       && optimize
       && CONST_INT_P (operands[2])
       && INTVAL (operands[2]) > 8
diff --git a/gcc/config/mips/mips.opt b/gcc/config/mips/mips.opt
index ec6ecd58f7b..faa8b529809 100644
--- a/gcc/config/mips/mips.opt
+++ b/gcc/config/mips/mips.opt
@@ -127,7 +127,7 @@ mdebug
 Target Var(TARGET_DEBUG_MODE) Undocumented
 
 mdebugd
-Target Var(TARGET_DEBUG_D_MODE) Undocumented
+Target Var(TARGET_DEBUG_D_MODE) Undocumented Init(1)
 
 meb
 Target RejectNegative Mask(BIG_ENDIAN)
-- 
2.34.1