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| author | Torbjorn Granlund <tege@gmplib.org> | 2013-03-14 15:34:55 +0100 |
|---|---|---|
| committer | Torbjorn Granlund <tege@gmplib.org> | 2013-03-14 15:34:55 +0100 |
| commit | c7529c770d86d9fd61954903c3a55bab25ff56ac (patch) | |
| tree | 072e1b32d7a05ca14262949f4af16e41bdb1c6f4 /mpn/arm/cnd_aors_n.asm | |
| parent | b7a973b247c262e19cd6d60df1b5f7dd646c07db (diff) | |
| download | gmp-c7529c770d86d9fd61954903c3a55bab25ff56ac.tar.gz | |
Avoid ARM conditional insn execution.
Diffstat (limited to 'mpn/arm/cnd_aors_n.asm')
| -rw-r--r-- | mpn/arm/cnd_aors_n.asm | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/mpn/arm/cnd_aors_n.asm b/mpn/arm/cnd_aors_n.asm index 4f7a31203..76c4a4202 100644 --- a/mpn/arm/cnd_aors_n.asm +++ b/mpn/arm/cnd_aors_n.asm @@ -1,6 +1,6 @@ dnl ARM mpn_cnd_add_n, mpn_cnd_sub_n -dnl Copyright 2012 Free Software Foundation, Inc. +dnl Copyright 2012, 2013 Free Software Foundation, Inc. dnl This file is part of the GNU MP Library. @@ -55,10 +55,10 @@ PROLOGUE(func) push {r4-r11} ldr n, [sp, #32] - INITCY C really only needed for n = 0 (mod 4) + cmp cnd, #1 + sbc cnd, cnd, cnd C conditionally set to 0xffffffff - teq cnd, #0 C could use this for clearing/setting cy - mvnne cnd, #0 C conditionally set to 0xffffffff + INITCY C really only needed for n = 0 (mod 4) ands r4, n, #3 beq L(top) @@ -68,9 +68,9 @@ PROLOGUE(func) L(b3): ldm vp!, {r4,r5,r6} ldm up!, {r8,r9,r10} - and r4, r4, cnd - and r5, r5, cnd - and r6, r6, cnd + bic r4, r4, cnd + bic r5, r5, cnd + bic r6, r6, cnd ADDSUB r8, r8, r4 ADDSUBC r9, r9, r5 ADDSUBC r10, r10, r6 @@ -82,8 +82,8 @@ L(b3): ldm vp!, {r4,r5,r6} L(b2): ldm vp!, {r4,r5} ldm up!, {r8,r9} - and r4, r4, cnd - and r5, r5, cnd + bic r4, r4, cnd + bic r5, r5, cnd ADDSUB r8, r8, r4 ADDSUBC r9, r9, r5 stm rp!, {r8,r9} @@ -94,7 +94,7 @@ L(b2): ldm vp!, {r4,r5} L(b1): ldr r4, [vp], #4 ldr r8, [up], #4 - and r4, r4, cnd + bic r4, r4, cnd ADDSUB r8, r8, r4 str r8, [rp], #4 sub n, n, #1 @@ -103,10 +103,10 @@ L(b1): ldr r4, [vp], #4 L(top): ldm vp!, {r4,r5,r6,r7} ldm up!, {r8,r9,r10,r11} - and r4, r4, cnd - and r5, r5, cnd - and r6, r6, cnd - and r7, r7, cnd + bic r4, r4, cnd + bic r5, r5, cnd + bic r6, r6, cnd + bic r7, r7, cnd ADDSUBC r8, r8, r4 ADDSUBC r9, r9, r5 ADDSUBC r10, r10, r6 |