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sparc: Handle more cases of structure return directly

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This commit is contained in:
Richard Henderson
2014-11-12 09:35:24 +01:00
parent 0686c2e71c
commit 20da5b4132
5 changed files with 152 additions and 105 deletions
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src/sparc/v9.S
+66 -46
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@@ -114,12 +114,6 @@ E SPARC_RET_STRUCT
sub %sp, 64, %sp
b 8f
stx %o0, [%l2]
E SPARC_RET_FLOAT
return %i7+8
st %f0, [%o2]
E SPARC_RET_DOUBLE
return %i7+8
std %f0, [%o2]
E SPARC_RET_UINT8
and %o0, 0xff, %i0
return %i7+8
@@ -139,10 +133,6 @@ E SPARC_RET_SINT16
sra %o0, 16, %i0
return %i7+8
stx %o0, [%o2]
E SPARC_RET_INT64
stx %o0, [%i2]
return %i7+8
nop
E SPARC_RET_UINT32
srl %o0, 0, %i0
return %i7+8
@@ -151,20 +141,40 @@ E SPARC_RET_SINT32
sra %o0, 0, %i0
return %i7+8
stx %o0, [%o2]
E SPARC_RET_LDOUBLE
std %f0, [%i2]
E SPARC_RET_INT64
stx %o0, [%i2]
return %i7+8
std %f2, [%o2+8]
! Unused entries. Don't allow bad data to do worse things.
E 12
unimp
E 13
unimp
E 14
unimp
E 15
unimp
nop
E SPARC_RET_INT128
stx %o0, [%i2]
stx %o1, [%i2+8]
return %i7+8
nop
E SPARC_RET_F_8
st %f7, [%i2+7*4]
nop
st %f6, [%i2+6*4]
nop
E SPARC_RET_F_6
st %f5, [%i2+5*4]
nop
st %f4, [%i2+4*4]
nop
E SPARC_RET_F_4
std %f2, [%i2+2*4]
return %i7+8
std %f0, [%o2]
E SPARC_RET_F_2
return %i7+8
std %f0, [%o2]
E SPARC_RET_F_3
st %f2, [%i2+2*4]
nop
st %f1, [%i2+1*4]
nop
E SPARC_RET_F_1
return %i7+8
st %f0, [%o2]
! Finish the SPARC_RET_STRUCT sequence.
.align 8
@@ -264,14 +274,6 @@ E SPARC_RET_STRUCT
ldd [FP-160], %f0
b 8f
ldx [FP-152], %i1
E SPARC_RET_FLOAT
ld [FP-160], %f0
return %i7+8
nop
E SPARC_RET_DOUBLE
ldd [FP-160], %f0
return %i7+8
nop
E SPARC_RET_UINT8
ldub [FP-160+7], %i0
return %i7+8
@@ -288,10 +290,6 @@ E SPARC_RET_SINT16
ldsh [FP-160+6], %i0
return %i7+8
nop
E SPARC_RET_INT64
ldx [FP-160], %i0
return %i7+8
nop
E SPARC_RET_UINT32
lduw [FP-160+4], %i0
return %i7+8
@@ -300,21 +298,43 @@ E SPARC_RET_SINT32
ldsw [FP-160+4], %i0
return %i7+8
nop
E SPARC_RET_LDOUBLE
E SPARC_RET_INT64
ldx [FP-160], %i0
return %i7+8
nop
E SPARC_RET_INT128
ldx [FP-160], %i0
ldx [FP-160+8], %i1
return %i7+8
nop
E SPARC_RET_F_8
ld [FP-160+7*4], %f7
nop
ld [FP-160+6*4], %f6
nop
E SPARC_RET_F_6
ld [FP-160+5*4], %f5
nop
ld [FP-160+4*4], %f4
nop
E SPARC_RET_F_4
ldd [FP-160], %f0
ldd [FP-160+8], %f2
return %i7+8
nop
! Unused entries. Don't allow bad data to do worse things.
E 12
unimp
E 13
unimp
E 14
unimp
E 15
unimp
E SPARC_RET_F_2
ldd [FP-160], %f0
return %i7+8
nop
E SPARC_RET_F_3
ld [FP-160+2*4], %f2
nop
ld [FP-160+1*4], %f1
nop
E SPARC_RET_F_1
ld [FP-160], %f0
return %i7+8
nop
! Finish the SPARC_RET_STRUCT sequence.
.align 8