make variadic args explicit

Some abis, like the riscv one, treat
arguments differently depending on
whether they are variadic or not.
To prepare for the upcomming riscv
target, we change the variadic call
syntax and give meaning to the
location of the '...' marker.

  # new syntax
  %ret =w call $f(w %regular, ..., w %variadic)

By nature of their abis, the change
is backwards compatible for existing
targets.

5 files changed, 31 insertions, 31 deletions

diff --git a/test/_slow.qbe b/test/_slow.qbe
index 2d107ae..a411e41 100644
--- a/test/_slow.qbe
+++ b/test/_slow.qbe
@@ -3408,7 +3408,7 @@ function $transparent_crc(l %.1, l %.3, w %.5) {
 	%.9 =l copy $.Lstring.93
 	%.10 =l loadl %.4
 	%.11 =l loadl %.2
-	%.12 =w call $printf(l %.9, l %.10, l %.11, ...)
+	%.12 =w call $printf(l %.9, ..., l %.10, l %.11)
 @if_false.679
 	%.13 =l loadl $crc32_context
 	%.14 =l loadl %.2
@@ -3461,7 +3461,7 @@ function $transparent_crc_bytes(l %.1, w %.3, l %.5, w %.7) {
 	%.28 =l loadl $crc32_context
 	%.29 =l copy 4294967295
 	%.30 =l xor %.28, %.29
-	%.31 =w call $printf(l %.26, l %.27, l %.30, ...)
+	%.31 =w call $printf(l %.26, ..., l %.27, l %.30)
 @if_false.687
 	ret
 }
@@ -3480,7 +3480,7 @@ function $platform_main_end(l %.1, w %.3) {
 @if_true.690
 	%.8 =l copy $.Lstring.97
 	%.9 =l loadl %.2
-	%.10 =w call $printf(l %.8, l %.9, ...)
+	%.10 =w call $printf(l %.8, ..., l %.9)
 @if_false.691
 	ret
 }
@@ -35219,7 +35219,7 @@ function w $main(w %.1, l %.3) {
 	%.53 =w loadsw %.5
 	%.54 =w loadsw %.6
 	%.55 =w loadsw %.7
-	%.56 =w call $printf(l %.52, w %.53, w %.54, w %.55, ...)
+	%.56 =w call $printf(l %.52, ..., w %.53, w %.54, w %.55)
 @if_false.1519
 @for_cont.1516
 	%.57 =w loadsw %.7
@@ -35338,7 +35338,7 @@ function w $main(w %.1, l %.3) {
 @if_true.1524
 	%.138 =l copy $.Lstring.129
 	%.139 =w loadsw %.5
-	%.140 =w call $printf(l %.138, w %.139, ...)
+	%.140 =w call $printf(l %.138, ..., w %.139)
 @if_false.1525
 @for_cont.1522
 	%.141 =w loadsw %.5
diff --git a/test/abi5.ssa b/test/abi5.ssa
index edfda4e..1d823b1 100644
--- a/test/abi5.ssa
+++ b/test/abi5.ssa
@@ -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
 }
diff --git a/test/abi6.ssa b/test/abi6.ssa
index 0870031..da2370c 100644
--- a/test/abi6.ssa
+++ b/test/abi6.ssa
@@ -13,8 +13,8 @@ function $f(:hfa3 %h1, :hfa3 %h2, d %d1, :hfa3 %h3, d %d2) {
         call $phfa3(:hfa3 %h1)
         call $phfa3(:hfa3 %h2)
         call $phfa3(:hfa3 %h3)
-        call $printf(l $dfmt, d %d1, ...)
-        call $printf(l $dfmt, d %d2, ...)
+        call $printf(l $dfmt, ..., d %d1)
+        call $printf(l $dfmt, ..., d %d2)
         ret
 }
 
diff --git a/test/echo.ssa b/test/echo.ssa
index 6010986..5e48b0e 100644
--- a/test/echo.ssa
+++ b/test/echo.ssa
@@ -20,7 +20,7 @@ function w $main(w %argc, l %argv) {
 @loop2
 	%sep =w phi @last 10, @nolast 32
 	%arg =l loadl %av
-	%r =w call $printf(l %fmt, l %arg, w %sep, ...)
+	%r =w call $printf(l %fmt, ..., l %arg, w %sep)
 	%av1 =l add %av, 8
 	%ac1 =w sub %ac, 1
 	jmp @loop
diff --git a/test/vararg2.ssa b/test/vararg2.ssa
index 7e85774..0b2eb53 100644
--- a/test/vararg2.ssa
+++ b/test/vararg2.ssa
@@ -19,11 +19,11 @@ export function $qbeprint0(l %fmt, ...) {
 	jnz %isg, @casef, @cased
 @casef
 	%dbl =d vaarg %vp
-	%r =w call $printf(l %fmtdbl, d %dbl, ...)
+	%r =w call $printf(l %fmtdbl, ..., d %dbl)
 	jmp @loop
 @cased
 	%int =w vaarg %vp
-	%r =w call $printf(l %fmtint, w %int, ...)
+	%r =w call $printf(l %fmtint, ..., w %int)
 	jmp @loop
 @end
 	%r =w call $puts(l %emptys)
@@ -59,11 +59,11 @@ export function $qbeprint1(w %argw0, l %fmt, ...) {
 	jnz %isg, @casef, @cased
 @casef
 	%dbl =d vaarg %vp
-	%r =w call $printf(l %fmtdbl, d %dbl, ...)
+	%r =w call $printf(l %fmtdbl, ..., d %dbl)
 	jmp @loop
 @cased
 	%int =w vaarg %vp
-	%r =w call $printf(l %fmtint, w %int, ...)
+	%r =w call $printf(l %fmtint, ..., w %int)
 	jmp @loop
 @end
 	%r =w call $puts(l %emptys)
@@ -99,11 +99,11 @@ export function $qbeprint2(d %argd0, l %fmt, ...) {
 	jnz %isg, @casef, @cased
 @casef
 	%dbl =d vaarg %vp
-	%r =w call $printf(l %fmtdbl, d %dbl, ...)
+	%r =w call $printf(l %fmtdbl, ..., d %dbl)
 	jmp @loop
 @cased
 	%int =w vaarg %vp
-	%r =w call $printf(l %fmtint, w %int, ...)
+	%r =w call $printf(l %fmtint, ..., w %int)
 	jmp @loop
 @end
 	%r =w call $puts(l %emptys)
@@ -139,11 +139,11 @@ export function $qbeprint3(w %argw0, w %argw1, w %argw2, w %argw3, l %fmt, ...)
 	jnz %isg, @casef, @cased
 @casef
 	%dbl =d vaarg %vp
-	%r =w call $printf(l %fmtdbl, d %dbl, ...)
+	%r =w call $printf(l %fmtdbl, ..., d %dbl)
 	jmp @loop
 @cased
 	%int =w vaarg %vp
-	%r =w call $printf(l %fmtint, w %int, ...)
+	%r =w call $printf(l %fmtint, ..., w %int)
 	jmp @loop
 @end
 	%r =w call $puts(l %emptys)
@@ -179,11 +179,11 @@ export function $qbeprint4(d %argd0, d %argd1, d %argd2, d %argd3, d %argd4, d %
 	jnz %isg, @casef, @cased
 @casef
 	%dbl =d vaarg %vp
-	%r =w call $printf(l %fmtdbl, d %dbl, ...)
+	%r =w call $printf(l %fmtdbl, ..., d %dbl)
 	jmp @loop
 @cased
 	%int =w vaarg %vp
-	%r =w call $printf(l %fmtint, w %int, ...)
+	%r =w call $printf(l %fmtint, ..., w %int)
 	jmp @loop
 @end
 	%r =w call $puts(l %emptys)
@@ -219,11 +219,11 @@ export function $qbeprint5(w %argw0, w %argw1, w %argw2, w %argw3, w %argw4, d %
 	jnz %isg, @casef, @cased
 @casef
 	%dbl =d vaarg %vp
-	%r =w call $printf(l %fmtdbl, d %dbl, ...)
+	%r =w call $printf(l %fmtdbl, ..., d %dbl)
 	jmp @loop
 @cased
 	%int =w vaarg %vp
-	%r =w call $printf(l %fmtint, w %int, ...)
+	%r =w call $printf(l %fmtint, ..., w %int)
 	jmp @loop
 @end
 	%r =w call $puts(l %emptys)
@@ -259,11 +259,11 @@ export function $qbeprint6(w %argw0, w %argw1, w %argw2, w %argw3, w %argw4, w %
 	jnz %isg, @casef, @cased
 @casef
 	%dbl =d vaarg %vp
-	%r =w call $printf(l %fmtdbl, d %dbl, ...)
+	%r =w call $printf(l %fmtdbl, ..., d %dbl)
 	jmp @loop
 @cased
 	%int =w vaarg %vp
-	%r =w call $printf(l %fmtint, w %int, ...)
+	%r =w call $printf(l %fmtint, ..., w %int)
 	jmp @loop
 @end
 	%r =w call $puts(l %emptys)