diff --git a/libc/arch-mips/bionic/_setjmp.S b/libc/arch-mips/bionic/_setjmp.S
index d237e6d..052dacb 100644
--- a/libc/arch-mips/bionic/_setjmp.S
+++ b/libc/arch-mips/bionic/_setjmp.S
@@ -30,13 +30,11 @@
  */
 
 #include <private/bionic_asm.h>
-#include <machine/regnum.h>
 #include <machine/signal.h>
 
 /*
  * _setjmp, _longjmp (not restoring signal state)
  *
- * XXX FPSET should probably be taken from SR setting. hmmm...
  *  GPOFF and FRAMESIZE must be the same for both _setjmp and _longjmp!
  *
  */
@@ -48,103 +46,127 @@
 	PTR_SUBU sp, FRAMESZ
 	SETUP_GP64(GPOFF, _setjmp)
 	SAVE_GP(GPOFF)
-	.set	noreorder
-#if defined(__mips64)
-	dli	v0, 0xACEDBADE			# sigcontext magic number
-#else
-	li	v0, 0xACEDBADE			# sigcontext magic number
-#endif
-	REG_S	v0, SC_REGS+ZERO*REGSZ(a0)
-	REG_S	s0, SC_REGS+S0*REGSZ(a0)
-	REG_S	s1, SC_REGS+S1*REGSZ(a0)
-	REG_S	s2, SC_REGS+S2*REGSZ(a0)
-	REG_S	s3, SC_REGS+S3*REGSZ(a0)
-	REG_S	s4, SC_REGS+S4*REGSZ(a0)
-	REG_S	s5, SC_REGS+S5*REGSZ(a0)
-	REG_S	s6, SC_REGS+S6*REGSZ(a0)
-	REG_S	s7, SC_REGS+S7*REGSZ(a0)
-	REG_S	s8, SC_REGS+S8*REGSZ(a0)
-	REG_L	v0, GPOFF(sp)
-	REG_S	v0, SC_REGS+GP*REGSZ(a0)
-	PTR_ADDU v0, sp, FRAMESZ
-	REG_S	v0, SC_REGS+SP*REGSZ(a0)
-	REG_S	ra, SC_PC(a0)
+	.set	reorder
 
-#if !defined(SOFTFLOAT)
-	li	v0, 1				# be nice if we could tell
-	REG_S	v0, SC_FPUSED(a0)		# sc_fpused = 1
-	cfc1	v0, $31
-	s.d	$f20, SC_FPREGS+((F20-F0)*REGSZ_FP)(a0)
-	s.d	$f22, SC_FPREGS+((F22-F0)*REGSZ_FP)(a0)
-	s.d	$f24, SC_FPREGS+((F24-F0)*REGSZ_FP)(a0)
-	s.d	$f26, SC_FPREGS+((F26-F0)*REGSZ_FP)(a0)
-	s.d	$f28, SC_FPREGS+((F28-F0)*REGSZ_FP)(a0)
-	s.d	$f30, SC_FPREGS+((F30-F0)*REGSZ_FP)(a0)
-#if _MIPS_FPSET == 32
-	s.d	$f21, SC_FPREGS+((F21-F0)*REGSZ_FP)(a0)
-	s.d	$f23, SC_FPREGS+((F23-F0)*REGSZ_FP)(a0)
-	s.d	$f25, SC_FPREGS+((F25-F0)*REGSZ_FP)(a0)
-	s.d	$f27, SC_FPREGS+((F27-F0)*REGSZ_FP)(a0)
-	s.d	$f29, SC_FPREGS+((F29-F0)*REGSZ_FP)(a0)
-	s.d	$f31, SC_FPREGS+((F31-F0)*REGSZ_FP)(a0)
+#ifndef __LP64__
+	addiu   a0, 7				# roundup jmpbuf addr to 8-byte boundary
+	li      t0, ~7
+	and     a0, t0
 #endif
-	REG_S	v0, SC_FPREGS+((FSR-F0)*REGSZ)(a0)
-#endif /* !SOFTFLOAT */
+
+	# SC_MASK is unused here
+
+	li	v0, 0xACEDBADE			# sigcontext magic number
+	sw	v0, SC_MAGIC(a0)
+	# callee-saved long-sized regs:
+	REG_S	ra, SC_REGS+0*REGSZ(a0)
+	REG_S	s0, SC_REGS+1*REGSZ(a0)
+	REG_S	s1, SC_REGS+2*REGSZ(a0)
+	REG_S	s2, SC_REGS+3*REGSZ(a0)
+	REG_S	s3, SC_REGS+4*REGSZ(a0)
+	REG_S	s4, SC_REGS+5*REGSZ(a0)
+	REG_S	s5, SC_REGS+6*REGSZ(a0)
+	REG_S	s6, SC_REGS+7*REGSZ(a0)
+	REG_S	s7, SC_REGS+8*REGSZ(a0)
+	REG_S	s8, SC_REGS+9*REGSZ(a0)
+	REG_L	v0, GPOFF(sp)
+	REG_S	v0, SC_REGS+10*REGSZ(a0)
+	PTR_ADDU v0, sp, FRAMESZ
+	REG_S	v0, SC_REGS+11*REGSZ(a0)
+
+	cfc1	v0, $31
+
+#ifdef __LP64__
+	# callee-saved fp regs on mips n64 ABI are $f24..$f31
+	s.d	$f24, SC_FPREGS+0*REGSZ_FP(a0)
+	s.d	$f25, SC_FPREGS+1*REGSZ_FP(a0)
+	s.d	$f26, SC_FPREGS+2*REGSZ_FP(a0)
+	s.d	$f27, SC_FPREGS+3*REGSZ_FP(a0)
+	s.d	$f28, SC_FPREGS+4*REGSZ_FP(a0)
+	s.d	$f29, SC_FPREGS+5*REGSZ_FP(a0)
+	s.d	$f30, SC_FPREGS+6*REGSZ_FP(a0)
+	s.d	$f31, SC_FPREGS+7*REGSZ_FP(a0)
+#else
+	# callee-saved fp regs on mips o32 ABI are
+	#   the even-numbered fp regs $f20,$f22,...$f30
+	s.d	$f20, SC_FPREGS+0*REGSZ_FP(a0)
+	s.d	$f22, SC_FPREGS+1*REGSZ_FP(a0)
+	s.d	$f24, SC_FPREGS+2*REGSZ_FP(a0)
+	s.d	$f26, SC_FPREGS+3*REGSZ_FP(a0)
+	s.d	$f28, SC_FPREGS+4*REGSZ_FP(a0)
+	s.d	$f30, SC_FPREGS+5*REGSZ_FP(a0)
+#endif
+	sw	v0, SC_FPSR(a0)
+	move	v0, zero
 	RESTORE_GP64
 	PTR_ADDU sp, FRAMESZ
 	j	ra
-	 move	v0, zero
 END(_setjmp)
 
+
 LEAF(_longjmp, FRAMESZ)
 	PTR_SUBU sp, FRAMESZ
 	SETUP_GP64(GPOFF, _longjmp)
 	SAVE_GP(GPOFF)
-	.set    noreorder
-	REG_L	v0, SC_REGS+ZERO*REGSZ(a0)
-	bne	v0, 0xACEDBADE, botch		# jump if error
-	REG_L	ra, SC_PC(a0)
-	REG_L	v0, SC_FPREGS+((FSR-F0)*REGSZ)(a0)
-	REG_L	s0, SC_REGS+S0*REGSZ(a0)
-	REG_L	s1, SC_REGS+S1*REGSZ(a0)
-	REG_L	s2, SC_REGS+S2*REGSZ(a0)
-	REG_L	s3, SC_REGS+S3*REGSZ(a0)
-	REG_L	s4, SC_REGS+S4*REGSZ(a0)
-	REG_L	s5, SC_REGS+S5*REGSZ(a0)
-	REG_L	s6, SC_REGS+S6*REGSZ(a0)
-	REG_L	s7, SC_REGS+S7*REGSZ(a0)
-	REG_L	s8, SC_REGS+S8*REGSZ(a0)
-	REG_L	gp, SC_REGS+GP*REGSZ(a0)
-	REG_L	sp, SC_REGS+SP*REGSZ(a0)
-#if !defined(SOFTFLOAT)
-	ctc1	v0, $31
-	l.d	$f20, SC_FPREGS+((F20-F0)*REGSZ_FP)(a0)
-	l.d	$f22, SC_FPREGS+((F22-F0)*REGSZ_FP)(a0)
-	l.d	$f24, SC_FPREGS+((F24-F0)*REGSZ_FP)(a0)
-	l.d	$f26, SC_FPREGS+((F26-F0)*REGSZ_FP)(a0)
-	l.d	$f28, SC_FPREGS+((F28-F0)*REGSZ_FP)(a0)
-	l.d	$f30, SC_FPREGS+((F30-F0)*REGSZ_FP)(a0)
-#if _MIPS_FPSET == 32
-	l.d	$f21, SC_FPREGS+((F21-F0)*REGSZ_FP)(a0)
-	l.d	$f23, SC_FPREGS+((F23-F0)*REGSZ_FP)(a0)
-	l.d	$f25, SC_FPREGS+((F25-F0)*REGSZ_FP)(a0)
-	l.d	$f27, SC_FPREGS+((F27-F0)*REGSZ_FP)(a0)
-	l.d	$f29, SC_FPREGS+((F29-F0)*REGSZ_FP)(a0)
-	l.d	$f31, SC_FPREGS+((F31-F0)*REGSZ_FP)(a0)
+	.set	reorder
+
+#ifndef __LP64__
+	addiu	a0, 7				# roundup jmpbuf addr to 8-byte boundary
+	li      t0, ~7
+	and	a0, t0
 #endif
-#endif /* !SOFTFLOAT */
+
+	# SC_MASK is unused here
+
+	lw	v0, SC_MAGIC(a0)
+	li	t0, 0xACEDBADE
+	bne	v0, t0, botch			# jump if error
+
+	# callee-saved long-sized regs:
+	REG_L	ra, SC_REGS+0*REGSZ(a0)
+	REG_L	s0, SC_REGS+1*REGSZ(a0)
+	REG_L	s1, SC_REGS+2*REGSZ(a0)
+	REG_L	s2, SC_REGS+3*REGSZ(a0)
+	REG_L	s3, SC_REGS+4*REGSZ(a0)
+	REG_L	s4, SC_REGS+5*REGSZ(a0)
+	REG_L	s5, SC_REGS+6*REGSZ(a0)
+	REG_L	s6, SC_REGS+7*REGSZ(a0)
+	REG_L	s7, SC_REGS+8*REGSZ(a0)
+	REG_L	s8, SC_REGS+9*REGSZ(a0)
+	REG_L	gp, SC_REGS+10*REGSZ(a0)
+	REG_L	sp, SC_REGS+11*REGSZ(a0)
+
+	lw	v0, SC_FPSR(a0)
+	ctc1	v0, $31
+#ifdef __LP64__
+	# callee-saved fp regs on mips n64 ABI are $f24..$f31
+	l.d	$f24, SC_FPREGS+0*REGSZ_FP(a0)
+	l.d	$f25, SC_FPREGS+1*REGSZ_FP(a0)
+	l.d	$f26, SC_FPREGS+2*REGSZ_FP(a0)
+	l.d	$f27, SC_FPREGS+3*REGSZ_FP(a0)
+	l.d	$f28, SC_FPREGS+4*REGSZ_FP(a0)
+	l.d	$f29, SC_FPREGS+5*REGSZ_FP(a0)
+	l.d	$f30, SC_FPREGS+6*REGSZ_FP(a0)
+	l.d	$f31, SC_FPREGS+7*REGSZ_FP(a0)
+#else
+	# callee-saved fp regs on mips o32 ABI are
+	#   the even-numbered fp regs $f20,$f22,...$f30
+	l.d	$f20, SC_FPREGS+0*REGSZ_FP(a0)
+	l.d	$f22, SC_FPREGS+1*REGSZ_FP(a0)
+	l.d	$f24, SC_FPREGS+2*REGSZ_FP(a0)
+	l.d	$f26, SC_FPREGS+3*REGSZ_FP(a0)
+	l.d	$f28, SC_FPREGS+4*REGSZ_FP(a0)
+	l.d	$f30, SC_FPREGS+5*REGSZ_FP(a0)
+#endif
 	bne	a1, zero, 1f
-	 nop
 	li	a1, 1			# never return 0!
 1:
+	move	v0, a1
 	j	ra
-	 move	v0, a1
 
 botch:
 	jal	longjmperror
-	nop
 	jal	abort
-	nop
 	RESTORE_GP64
 	PTR_ADDU sp, FRAMESZ
 END(_longjmp)