diff options
Diffstat (limited to 'meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0029-Patch-microblaze-Add-new-bit-field-instructions.patch')
| -rw-r--r-- | meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0029-Patch-microblaze-Add-new-bit-field-instructions.patch | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0029-Patch-microblaze-Add-new-bit-field-instructions.patch b/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0029-Patch-microblaze-Add-new-bit-field-instructions.patch new file mode 100644 index 000000000..dfdb479cd --- /dev/null +++ b/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0029-Patch-microblaze-Add-new-bit-field-instructions.patch @@ -0,0 +1,143 @@ +From 341bf8ad4e55693d00d4d8c916f4c347e7186dd4 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati <mbodapat@xilinx.com> +Date: Wed, 18 Jan 2017 12:14:51 +0530 +Subject: [PATCH 29/58] [Patch, microblaze]: Add new bit-field instructions + +This patches adds new bsefi and bsifi instructions. +BSEFI- The instruction shall extract a bit field from a +register and place it right-adjusted in the destination register. +The other bits in the destination register shall be set to zero +BSIFI- The instruction shall insert a right-adjusted bit field +from a register at another position in the destination register. +The rest of the bits in the destination register shall be unchanged + +Signed-off-by :Nagaraju Mekala <nmekala@xilix.com> + +ChangeLog: + 2016-02-03 Nagaraju Mekala <nmekala@xilix.com> + + *microblaze.md (Update): Added new patterns +--- + gcc/config/microblaze/microblaze.h | 2 + + gcc/config/microblaze/microblaze.md | 73 +++++++++++++++++++++++++++++ + 2 files changed, 75 insertions(+) + +diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h +index 8b0db2c1718..b5b7b22cec9 100644 +--- a/gcc/config/microblaze/microblaze.h ++++ b/gcc/config/microblaze/microblaze.h +@@ -44,6 +44,7 @@ extern int microblaze_dbx_regno[]; + + extern int microblaze_no_unsafe_delay; + extern int microblaze_has_clz; ++extern int microblaze_has_bitfield; + extern enum pipeline_type microblaze_pipe; + + #define OBJECT_FORMAT_ELF +@@ -62,6 +63,7 @@ extern enum pipeline_type microblaze_pipe; + + /* Do we have CLZ? */ + #define TARGET_HAS_CLZ (TARGET_PATTERN_COMPARE && microblaze_has_clz) ++#define TARGET_HAS_BITFIELD (TARGET_BARREL_SHIFT && microblaze_has_bitfield) + + /* The default is to support PIC. */ + #define TARGET_SUPPORTS_PIC 1 +diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md +index c407a81c51e..fa6aabdb9d4 100644 +--- a/gcc/config/microblaze/microblaze.md ++++ b/gcc/config/microblaze/microblaze.md +@@ -982,6 +982,8 @@ + (set_attr "mode" "DI") + (set_attr "length" "20,20,20")]) + ++ ++ + ;;---------------------------------------------------------------- + ;; Data movement + ;;---------------------------------------------------------------- +@@ -1776,6 +1778,7 @@ + (set_attr "length" "28")] + ) + ++ + ;;---------------------------------------------------------------- + ;; Setting a register from an integer comparison. + ;;---------------------------------------------------------------- +@@ -2489,4 +2492,74 @@ + DONE; + }") + ++(define_expand "extvsi" ++ [(set (match_operand:SI 0 "register_operand" "r") ++ (zero_extract:SI (match_operand:SI 1 "register_operand" "r") ++ (match_operand:SI 2 "immediate_operand" "I") ++ (match_operand:SI 3 "immediate_operand" "I")))] ++"TARGET_HAS_BITFIELD" ++" ++{ ++ unsigned HOST_WIDE_INT len = UINTVAL (operands[2]); ++ unsigned HOST_WIDE_INT pos = UINTVAL (operands[3]); ++ ++ if ((len == 0) || (pos + len > 32) ) ++ FAIL; ++ ++ ;;if (!register_operand (operands[1], VOIDmode)) ++ ;; FAIL; ++ if (operands[0] == operands[1]) ++ FAIL; ++ if (GET_CODE (operands[1]) == ASHIFT) ++ FAIL; ++;; operands[2] = GEN_INT(INTVAL(operands[2])+1 ); ++ emit_insn (gen_extv_32 (operands[0], operands[1], ++ operands[2], operands[3])); ++ DONE; ++}") ++ ++(define_insn "extv_32" ++ [(set (match_operand:SI 0 "register_operand" "=r") ++ (zero_extract:SI (match_operand:SI 1 "register_operand" "r") ++ (match_operand:SI 2 "immediate_operand" "I") ++ (match_operand:SI 3 "immediate_operand" "I")))] ++ "TARGET_HAS_BITFIELD && (UINTVAL (operands[2]) > 0) ++ && ((UINTVAL (operands[2]) + UINTVAL (operands[3])) <= 32)" ++ "bsefi %0,%1,%2,%3" ++ [(set_attr "type" "bshift") ++ (set_attr "length" "4")]) ++ ++(define_expand "insvsi" ++ [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r") ++ (match_operand:SI 1 "immediate_operand" "I") ++ (match_operand:SI 2 "immediate_operand" "I")) ++ (match_operand:SI 3 "register_operand" "r"))] ++ "TARGET_HAS_BITFIELD" ++ " ++{ ++ unsigned HOST_WIDE_INT len = UINTVAL (operands[1]); ++ unsigned HOST_WIDE_INT pos = UINTVAL (operands[2]); ++ ++ if (len <= 0 || pos + len > 32) ++ FAIL; ++ ++ ;;if (!register_operand (operands[0], VOIDmode)) ++ ;; FAIL; ++ ++ emit_insn (gen_insv_32 (operands[0], operands[1], ++ operands[2], operands[3])); ++ DONE; ++}") ++ ++(define_insn "insv_32" ++ [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r") ++ (match_operand:SI 1 "immediate_operand" "I") ++ (match_operand:SI 2 "immediate_operand" "I")) ++ (match_operand:SI 3 "register_operand" "r"))] ++ "TARGET_HAS_BITFIELD && UINTVAL (operands[1]) > 0 ++ && UINTVAL (operands[1]) + UINTVAL (operands[2]) <= 32" ++ "bsifi %0, %3, %1, %2" ++ [(set_attr "type" "bshift") ++ (set_attr "length" "4")]) ++ + (include "sync.md") +-- +2.17.1 + |