From 869d7180dd4a462674971a25b66070da7f2eabcf Mon Sep 17 00:00:00 2001 From: Rajalakshmi Srinivasaraghavan Date: Tue, 23 Feb 2016 11:10:34 +0530 Subject: powerpc: Rearrange cfi_offset calls This patch rearranges cfi_offset() calls after the last store so as to avoid extra DW_CFA_advance opcodes in unwind information. --- sysdeps/powerpc/powerpc32/power4/memcmp.S | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'sysdeps/powerpc/powerpc32/power4/memcmp.S') diff --git a/sysdeps/powerpc/powerpc32/power4/memcmp.S b/sysdeps/powerpc/powerpc32/power4/memcmp.S index 602a7957ad..9cb116e232 100644 --- a/sysdeps/powerpc/powerpc32/power4/memcmp.S +++ b/sysdeps/powerpc/powerpc32/power4/memcmp.S @@ -54,8 +54,8 @@ EALIGN (memcmp, 4, 0) stwu 1, -64(r1) cfi_adjust_cfa_offset(64) stw rWORD8, 48(r1) - cfi_offset(rWORD8, (48-64)) stw rWORD7, 44(r1) + cfi_offset(rWORD8, (48-64)) cfi_offset(rWORD7, (44-64)) bne L(unaligned) /* At this point we know both strings have the same alignment and the @@ -747,18 +747,18 @@ L(unaligned): the actual start of rSTR2. */ clrrwi rSTR2, rSTR2, 2 stw rWORD2_SHIFT, 28(r1) - cfi_offset(rWORD2_SHIFT, (28-64)) /* Compute the left/right shift counts for the unaligned rSTR2, compensating for the logical (W aligned) start of rSTR1. */ clrlwi rSHL, rWORD8_SHIFT, 30 clrrwi rSTR1, rSTR1, 2 stw rWORD4_SHIFT, 24(r1) - cfi_offset(rWORD4_SHIFT, (24-64)) slwi rSHL, rSHL, 3 cmplw cr5, rWORD8_SHIFT, rSTR2 add rN, rN, r12 slwi rWORD6, r12, 3 stw rWORD6_SHIFT, 20(r1) + cfi_offset(rWORD2_SHIFT, (28-64)) + cfi_offset(rWORD4_SHIFT, (24-64)) cfi_offset(rWORD6_SHIFT, (20-64)) subfic rSHR, rSHL, 32 srwi r0, rN, 4 /* Divide by 16 */ @@ -852,15 +852,15 @@ L(duPs4): .align 4 L(Wunaligned): stw rWORD8_SHIFT, 32(r1) - cfi_offset(rWORD8_SHIFT, (32-64)) clrrwi rSTR2, rSTR2, 2 stw rWORD2_SHIFT, 28(r1) - cfi_offset(rWORD2_SHIFT, (28-64)) srwi r0, rN, 4 /* Divide by 16 */ stw rWORD4_SHIFT, 24(r1) - cfi_offset(rWORD4_SHIFT, (24-64)) andi. r12, rN, 12 /* Get the W remainder */ stw rWORD6_SHIFT, 20(r1) + cfi_offset(rWORD8_SHIFT, (32-64)) + cfi_offset(rWORD2_SHIFT, (28-64)) + cfi_offset(rWORD4_SHIFT, (24-64)) cfi_offset(rWORD6_SHIFT, (20-64)) slwi rSHL, rSHL, 3 #ifdef __LITTLE_ENDIAN__ -- cgit 1.4.1