diff --git a/gnu-system.am b/gnu-system.am
index 2e248c7df7..eb1e0d06dc 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -250,7 +250,6 @@ dist_patch_DATA =						\
   gnu/packages/patches/gawk-shell.patch				\
   gnu/packages/patches/gcc-cross-environment-variables.patch	\
   gnu/packages/patches/gd-mips64-deplibs-fix.patch		\
-  gnu/packages/patches/gdb-loongson-madd-fix.patch		\
   gnu/packages/patches/glib-tests-desktop.patch			\
   gnu/packages/patches/glib-tests-homedir.patch			\
   gnu/packages/patches/glib-tests-newnet.patch			\
diff --git a/gnu/packages/gdb.scm b/gnu/packages/gdb.scm
index 5a863e54aa..7a780d8ea2 100644
--- a/gnu/packages/gdb.scm
+++ b/gnu/packages/gdb.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -33,15 +33,14 @@ (define-module (gnu packages gdb)
 (define-public gdb
   (package
     (name "gdb")
-    (version "7.6.2")
+    (version "7.7")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/gdb/gdb-"
                                  version ".tar.bz2"))
              (sha256
               (base32
-               "1s6hjqmq7xz10hqx45dgrpfh5mla578shn3zxgnrsv66w4n0wsig"))
-             (patches (list (search-patch "gdb-loongson-madd-fix.patch")))))
+               "08vcb97j1b7vxwq6088wb6s3g3bm8iwikd922y0xsgbbxv3d2104"))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases (alist-cons-after
diff --git a/gnu/packages/patches/gdb-loongson-madd-fix.patch b/gnu/packages/patches/gdb-loongson-madd-fix.patch
deleted file mode 100644
index 0d50dd2dd4..0000000000
--- a/gnu/packages/patches/gdb-loongson-madd-fix.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-Fix the Loongson 2F specific fused multiply-add instructions on paired singles to
-use the encoding recognized by the processor, as opposed to the mistaken english
-Loongson 2F documentation.
-
-Patch by Mark H Weaver <mhw@netris.org>.
-
---- gdb/opcodes/mips-opc.c.orig	2013-02-09 05:24:18.000000000 -0500
-+++ gdb/opcodes/mips-opc.c	2013-10-27 23:35:20.191997541 -0400
-@@ -956,7 +956,7 @@
- {"madd.s",  "D,S,T",	0x4600001c, 0xffe0003f, RD_S|RD_T|WR_D|FP_S,	     0,		EE	},
- {"madd.ps", "D,R,S,T",	0x4c000026, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D,    0,		I5_33	},
- {"madd.ps",	"D,S,T",	0x45600018,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2E	},
--{"madd.ps",	"D,S,T",	0x71600018,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
-+{"madd.ps",	"D,S,T",	0x72c00018,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
- {"madd",    "s,t",      0x0000001c, 0xfc00ffff, RD_s|RD_t|WR_HILO,           0,		L1	},
- {"madd",    "s,t",      0x70000000, 0xfc00ffff, RD_s|RD_t|MOD_HILO,          0,		I32|N55	},
- {"madd",    "s,t",      0x70000000, 0xfc00ffff, RD_s|RD_t|WR_HILO|IS_M,      0,		G1	},
-@@ -1084,7 +1084,7 @@
- {"msub.s",  "D,S,T",	0x4600001d, 0xffe0003f,	RD_S|RD_T|WR_D|FP_S,	0,		EE	},
- {"msub.ps", "D,R,S,T",	0x4c00002e, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0,		I5_33	},
- {"msub.ps",	"D,S,T",	0x45600019,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2E	},
--{"msub.ps",	"D,S,T",	0x71600019,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
-+{"msub.ps",	"D,S,T",	0x72c00019,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
- {"msub",    "s,t",      0x0000001e, 0xfc00ffff, RD_s|RD_t|WR_HILO,	0,		L1    	},
- {"msub",    "s,t",      0x70000004, 0xfc00ffff, RD_s|RD_t|MOD_HILO,     0,		I32|N55 },
- {"msub",    "7,s,t",	0x70000004, 0xfc00e7ff, MOD_a|RD_s|RD_t,        0,              D32	},
-@@ -1218,7 +1218,7 @@
- {"nmadd.s",	"D,S,T",	0x7200001a,	0xffe0003f,	RD_S|RD_T|WR_D|FP_S,	0,	IL2F	},
- {"nmadd.ps","D,R,S,T",	0x4c000036, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0,		I5_33	},
- {"nmadd.ps",	"D,S,T",	0x4560001a,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2E	},
--{"nmadd.ps",	"D,S,T",	0x7160001a,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
-+{"nmadd.ps",	"D,S,T",	0x72c0001a,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
- {"nmsub.d", "D,R,S,T",	0x4c000039, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0,		I4_33	},
- {"nmsub.d",	"D,S,T",	0x4620001b,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2E	},
- {"nmsub.d",	"D,S,T",	0x7220001b,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
-@@ -1227,7 +1227,7 @@
- {"nmsub.s",	"D,S,T",	0x7200001b,	0xffe0003f,	RD_S|RD_T|WR_D|FP_S,	0,	IL2F	},
- {"nmsub.ps","D,R,S,T",	0x4c00003e, 0xfc00003f, RD_R|RD_S|RD_T|WR_D|FP_D, 0,		I5_33	},
- {"nmsub.ps",	"D,S,T",	0x4560001b,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2E	},
--{"nmsub.ps",	"D,S,T",	0x7160001b,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
-+{"nmsub.ps",	"D,S,T",	0x72c0001b,	0xffe0003f,	RD_S|RD_T|WR_D|FP_D,	0,	IL2F	},
- /* nop is at the start of the table.  */
- {"nor",     "d,v,t",	0x00000027, 0xfc0007ff,	WR_d|RD_s|RD_t,		0,		I1	},
- {"nor",     "t,r,I",	0,    (int) M_NOR_I,	INSN_MACRO,		0,		I1	},