remove fenv saving/loading code from setjmp/longjmp on arm
the issue is identical to the recent commit fixing the mips versions:
despite other implementations doing this, it conflicts with the
requirements of ISO C and it's a waste of time and code size.
diff --git a/src/setjmp/arm/longjmp.s b/src/setjmp/arm/longjmp.s
index 84ddc22..aff15fb 100644
--- a/src/setjmp/arm/longjmp.s
+++ b/src/setjmp/arm/longjmp.s
@@ -21,8 +21,6 @@
2: tst r1,#0x40
beq 2f
ldc p11, cr8, [ip], #64
- ldmia ip!, {r2,r3}
- mcr p10, 7, r3, cr1, cr0, 0
2: tst r1,#0x200
beq 3f
ldcl p1, cr10, [ip], #8
diff --git a/src/setjmp/arm/setjmp.s b/src/setjmp/arm/setjmp.s
index 904ff10..b74dfc6 100644
--- a/src/setjmp/arm/setjmp.s
+++ b/src/setjmp/arm/setjmp.s
@@ -23,8 +23,6 @@
2: tst r1,#0x40
beq 2f
stc p11, cr8, [ip], #64
- mrc p10, 7, r2, cr1, cr0, 0
- stmia ip!, {r0,r2}
2: tst r1,#0x200
beq 3f
stcl p1, cr10, [ip], #8
