Renames Settings ⚠️ (fixes #976) (#1321)

This is a breaking API change: the following settings have been renamed:

- jump_tables_enabled -> enable_jump_tables
- colocated_libcalls -> use_colocated_libcalls
- probestack_enabled -> enable_probestack
- allones_funcaddrs -> emit_all_ones_funcaddrs

cranelift/filetests/filetests/isa/x86/allones_funcaddrs32.clif

@@ -1,7 +1,7 @@
 ; binary emission of 32-bit code.
 test binemit
 set opt_level=speed_and_size
-set allones_funcaddrs
+set emit_all_ones_funcaddrs
 target i686 haswell
 
 ; The binary encodings can be verified with the command:
@@ -9,7 +9,7 @@ target i686 haswell
 ;   sed -ne 's/^ *; asm: *//p' filetests/isa/x86/allones_funcaddrs32.clif | llvm-mc -show-encoding -triple=i386
 ;
 
-; Tests from binary32.clif affected by allones_funcaddrs.
+; Tests from binary32.clif affected by emit_all_ones_funcaddrs.
 function %I32() {
     sig0 = ()
     fn0 = %foo()

cranelift/filetests/filetests/isa/x86/allones_funcaddrs64.clif

@@ -1,7 +1,7 @@
 ; binary emission of 64-bit code.
 test binemit
 set opt_level=speed_and_size
-set allones_funcaddrs
+set emit_all_ones_funcaddrs
 target x86_64 haswell
 
 ; The binary encodings can be verified with the command:
@@ -9,7 +9,7 @@ target x86_64 haswell
 ;   sed -ne 's/^ *; asm: *//p' filetests/isa/x86/allones_funcaddrs64.clif | llvm-mc -show-encoding -triple=x86_64
 ;
 
-; Tests from binary64.clif affected by allones_funcaddrs.
+; Tests from binary64.clif affected by emit_all_ones_funcaddrs.
 function %I64() {
     sig0 = ()
     fn0 = %foo()

cranelift/filetests/filetests/isa/x86/baldrdash-table-sig-reg.clif

@@ -1,5 +1,5 @@
 test compile
-set probestack_enabled=false
+set enable_probestack=false
 target i686
 
 function u0:0(i32 vmctx) baldrdash_system_v {

cranelift/filetests/filetests/isa/x86/compile-vconst.clif

@@ -1,6 +1,6 @@
 test compile
 set enable_simd=true
-set probestack_enabled=false
+set enable_probestack=false
 target x86_64 haswell
 
 ; use baldrdash calling convention here for simplicity (avoids prologue, epilogue)

cranelift/filetests/filetests/isa/x86/legalize-splat.clif

@@ -1,6 +1,6 @@
 test compile
 set enable_simd=true
-set probestack_enabled=false
+set enable_probestack=false
 target x86_64 haswell
 
 ; use baldrdash_system_v calling convention here for simplicity (avoids prologue, epilogue)

cranelift/filetests/filetests/isa/x86/probestack-adjusts-sp.clif

@@ -1,5 +1,5 @@
 test compile
-set colocated_libcalls=1
+set use_colocated_libcalls=1
 set probestack_func_adjusts_sp=1
 target x86_64
 

cranelift/filetests/filetests/isa/x86/probestack-disabled.clif

@@ -1,6 +1,6 @@
 test compile
-set colocated_libcalls=1
-set probestack_enabled=0
+set use_colocated_libcalls=1
+set enable_probestack=0
 target x86_64
 
 ; Like %big in probestack.clif, but with probes disabled.

cranelift/filetests/filetests/isa/x86/probestack-size.clif

@@ -1,5 +1,5 @@
 test compile
-set colocated_libcalls=1
+set use_colocated_libcalls=1
 set probestack_size_log2=13
 target x86_64
 

cranelift/filetests/filetests/isa/x86/probestack.clif

@@ -1,5 +1,5 @@
 test compile
-set colocated_libcalls=1
+set use_colocated_libcalls=1
 target x86_64
 
 ; A function with a big stack frame. This should have a stack probe.

cranelift/filetests/filetests/isa/x86/relax_branch.clif

@@ -2,8 +2,8 @@ test binemit
 set opt_level=speed_and_size
 set avoid_div_traps
 set baldrdash_prologue_words=3
-set allones_funcaddrs
-set probestack_enabled=false
+set emit_all_ones_funcaddrs
+set enable_probestack=false
 target x86_64 haswell
 
 ; This checks that a branch that is too far away is getting relaxed. In

cranelift/filetests/filetests/isa/x86/scalar_to_vector-compile.clif

@@ -1,6 +1,6 @@
 test compile
 set opt_level=speed_and_size
-set probestack_enabled=false
+set enable_probestack=false
 set enable_simd
 target x86_64
 

cranelift/filetests/filetests/legalizer/br_table_cond.clif

@@ -1,6 +1,6 @@
 test legalizer
-set probestack_enabled=false
-set jump_tables_enabled=false
+set enable_probestack=false
+set enable_jump_tables=false
 target x86_64
 
 ; Test that when jump_tables_enables is false, all jump tables are eliminated.

cranelift/filetests/filetests/legalizer/empty_br_table.clif

@@ -1,6 +1,6 @@
 test legalizer
-set probestack_enabled=false
-set jump_tables_enabled=false
+set enable_probestack=false
+set enable_jump_tables=false
 target x86_64
 
 function u0:0(i64) {

cranelift/filetests/filetests/regalloc/unreachable_code.clif

@@ -1,7 +1,7 @@
 ; Use "test compile" here otherwise the dead blocks won't be eliminated.
 test compile
 
-set probestack_enabled=0
+set enable_probestack=0
 target x86_64 haswell
 
 ; This function contains unreachable blocks which trip up the register