s390x: use constraints for call arguments and return values (#5092)

Use the regalloc constraint-based CallArgList / CallRetList mechanism instead of directly using physregs in instructions.
2022-10-21 20:01:22 +02:00
parent 86e77953f8
commit 9dadba60a0
10 changed files with 317 additions and 240 deletions
--- a/cranelift/filetests/filetests/isa/s390x/tls_elf.clif
+++ b/cranelift/filetests/filetests/isa/s390x/tls_elf.clif
@@ -18,9 +18,9 @@ block0(v0: i32):
 ;   bras %r1, 12 ; data userextname0@tlsgd ; lg %r2, 0(%r1)
 ;   brasl %r14, %ElfTlsGetOffset:tls_gdcall:userextname0
 ;   ear %r3, %a0
-;   sllg %r5, %r3, 32
-;   ear %r5, %a1
-;   agr %r2, %r5
+;   sllg %r3, %r3, 32
+;   ear %r3, %a1
+;   agr %r2, %r3
 ;   lmg %r12, %r15, 256(%r15)
 ;   br %r14