https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=a532eb7277ff64fb073e209d418b0a97f686c0e3
https://bugs.gentoo.org/833590

From: Sergei Trofimovich <siarheit@google.com>
Date: Mon, 14 Feb 2022 17:12:41 +0000
Subject: [PATCH] microblaze: fix fsqrt collicion to build on glibc-2.35

	* microblaze-opcm.h: Renamed 'fsqrt' to 'microblaze_fsqrt'.
	* microblaze-opc.h: Follow 'fsqrt' rename.
--- a/opcodes/microblaze-opc.h
+++ b/opcodes/microblaze-opc.h
@@ -268,7 +268,7 @@ const struct op_code_struct
   {"fcmp.un", INST_TYPE_RD_R1_R2, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000200, OPCODE_MASK_H4, fcmp_un, arithmetic_inst },
   {"flt",   INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000280, OPCODE_MASK_H4, flt,   arithmetic_inst },
   {"fint",  INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000300, OPCODE_MASK_H4, fint,  arithmetic_inst },
-  {"fsqrt", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000380, OPCODE_MASK_H4, fsqrt, arithmetic_inst },
+  {"fsqrt", INST_TYPE_RD_R1, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x58000380, OPCODE_MASK_H4, microblaze_fsqrt, arithmetic_inst },
   {"tget",   INST_TYPE_RD_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C001000, OPCODE_MASK_H32, tget,   anyware_inst },
   {"tcget",  INST_TYPE_RD_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C003000, OPCODE_MASK_H32, tcget,  anyware_inst },
   {"tnget",  INST_TYPE_RD_RFSL, INST_NO_OFFSET, NO_DELAY_SLOT, IMMVAL_MASK_NON_SPECIAL, 0x6C005000, OPCODE_MASK_H32, tnget,  anyware_inst },
--- a/opcodes/microblaze-opcm.h
+++ b/opcodes/microblaze-opcm.h
@@ -42,7 +42,8 @@ enum microblaze_instr
   shr, sw, swr, swx, lbui, lhui, lwi,
   sbi, shi, swi, msrset, msrclr, tuqula, mbi_fadd, frsub, mbi_fmul, mbi_fdiv,
   fcmp_lt, fcmp_eq, fcmp_le, fcmp_gt, fcmp_ne, fcmp_ge, fcmp_un, flt,
-  fint, fsqrt,
+  /* 'fsqrt' is a glibc:math.h symbol.  */
+  fint, microblaze_fsqrt,
   tget, tcget, tnget, tncget, tput, tcput, tnput, tncput,
   eget, ecget, neget, necget, eput, ecput, neput, necput,
   teget, tecget, tneget, tnecget, teput, tecput, tneput, tnecput,