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support variable argument lists

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This change is backward compatible, calls to
"variadic" functions (like printf) must now be
annotated (with ...).
This commit is contained in:
Quentin Carbonneaux 2017-02-07 23:01:24 -05:00
parent 8799dc30ac
commit b99a8b0d07
8 changed files with 256 additions and 47 deletions
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18
test/abi5.ssa
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@ -25,41 +25,41 @@ export
function $test() {
@start
%r1 =:st1 call $t1()
%i1 =w call $printf(l $fmt1, l %r1)
%i1 =w call $printf(l $fmt1, l %r1, ...)
%r2 =:st2 call $t2()
%w2 =w loadw %r2
%i2 =w call $printf(l $fmt2, w %w2)
%i2 =w call $printf(l $fmt2, w %w2, ...)
%r3 =:st3 call $t3()
%s3 =s loads %r3
%r34 =l add %r3, 4
%w3 =w loadw %r34
%p3 =d exts %s3
%i3 =w call $printf(l $fmt3, d %p3, w %w3)
%i3 =w call $printf(l $fmt3, d %p3, w %w3, ...)
%r4 =:st4 call $t4()
%w4 =w loadw %r4
%r48 =l add 8, %r4
%d4 =d loadd %r48
%i4 =w call $printf(l $fmt4, w %w4, d %d4)
%i4 =w call $printf(l $fmt4, w %w4, d %d4, ...)
%r5 =:st5 call $t5()
%s5 =s loads %r5
%d5 =d exts %s5
%r58 =l add %r5, 8
%l5 =l loadl %r58
%i5 =w call $printf(l $fmt5, d %d5, l %l5)
%i5 =w call $printf(l $fmt5, d %d5, l %l5, ...)
%r6 =:st6 call $t6()
%i6 =w call $printf(l $fmt6, l %r6)
%i6 =w call $printf(l $fmt6, l %r6, ...)
%r7 =:st7 call $t7()
%s7 =s loads %r7
%d71 =d exts %s7
%r78 =l add %r7, 8
%d72 =d loadd %r78
%i7 =w call $printf(l $fmt7, d %d71, d %d72)
%i7 =w call $printf(l $fmt7, d %d71, d %d72, ...)
%r8 =:st8 call $t8()
%r84 =l add 4, %r8
@ -69,14 +69,14 @@ function $test() {
%w82 =w loadw %r84
%w83 =w loadw %r88
%w84 =w loadw %r812
%i8 =w call $printf(l $fmt8, w %w81, w %w82, w %w83, w %w84)
%i8 =w call $printf(l $fmt8, w %w81, w %w82, w %w83, w %w84, ...)
%r9 =:st9 call $t9()
%r94 =l add 4, %r9
%w9 =w loadw %r9
%s9 =s loads %r94
%d9 =d exts %s9
%i9 =w call $printf(l $fmt9, w %w9, d %d9)
%i9 =w call $printf(l $fmt9, w %w9, d %d9, ...)
ret
}